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Transcript of Axial Piston Motors
Series 20Axial Piston Motors
Technical Information
Series20_Axial Piston Motors_TI_012002.indd 11.2.2002, 12:231
2 DKMH.PN.340.C1.02 520L0516
Series 20 – Axial Piston MotorsTechnical InformationGeneral Description
INTRODUCTION
DESCRIPTION
TYPICAL MARKETS
Sauer-Danfoss a world leader in hydraulic power systems has developed a family of axial piston motors.
Sauer-Danfoss axial pistons fixed displacement motors are of swash plate design with preset displacement suitable for hydrostatic transmissions with closed loop circuit.The output speed is proportional to the motor’s input flow.The output torque is proportional to the differential pressure applied to the main pressure ports.The direction of motor (output) shaft rotation depends on flow input to the main pressure ports.
Sauer-Danfoss axial piston fixed displacement motors are well engineered and easy to handle.The full-length shaft with a highly efficient tapered roller bearing arrangement offers a high loading capacity for external radial forces.High case pressures can be achieved without leakage even at the lowest temperatures by using suitable shaft seals.Sauer-Danfoss axial piston units are designed for easy servicing. Complete dismantling and reassembly can be carried out with standard hand tools, and all components or sub-assemblies are replaceable.Axial piston fixed displacement motors of the Sauer-Danfoss pattern are made by licensed producers worldwide, providing consistent service and fully inter-changeable parts.
• Industrial• Mining• Transit Mixer• Utility Vehicles
© 1999 -2001, Sauer-Danfoss
Sauer-Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Sauer -Danfoss reserves the right to alter its products without prior notice. This also applies to products already ordered provided that such alterations can be made without subsequent changes being necessary in specifications already agreed. All trademarks in this material are properties of the respective companies. Sauer-Danfoss and the Sauer-Danfoss logotype are trademarks of the Sauer-Danfoss Group. All rights reserved.
Front page: F000 234, F000 249, F000 150, F000 248
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Series 20 – Axial Piston MotorsTechnical InformationContents
CONTENTS General description ...................................................................................................................................................... 2Introduction ................................................................................................................................................................. 2Description ................................................................................................................................................................... 2Typical Markets ........................................................................................................................................................... 2
Sectional view ................................................................................................................................................................. 4Axial piston fixed displacement motor .............................................................................................................. 4
System circuit description ......................................................................................................................................... 5Pump and motor circuit description ................................................................................................................... 5Motor circuit schematic ........................................................................................................................................... 5
Technical specification ................................................................................................................................................ 6Technical parameters ................................................................................................................................................ 6
Design .............................................................................................................................................................................................. 6
Type of mounting ........................................................................................................................................................................ 6
Pipe connections ......................................................................................................................................................................... 6
Direction of rotation ................................................................................................................................................................... 6
Installation position .................................................................................................................................................................... 6
External drain fluid loss ............................................................................................................................................................. 6
Hydraulic parameters ............................................................................................................................................... 7System pressure range, input p
1 ............................................................................................................................................. 7
System pressure range, output p2 .......................................................................................................................................... 7
Case pressure ................................................................................................................................................................................ 7
Hydraulic fluid ............................................................................................................................................................................... 7
Hydraulic fluid temperature range ........................................................................................................................................ 7
Viscosity range .............................................................................................................................................................................. 7
Filtration .......................................................................................................................................................................................... 7
Shaft load ....................................................................................................................................................................................... 7
Technical data ............................................................................................................................................................................... 8
Determination of nominal motor size .................................................................................................................................. 8
Dimensions – Frame size 033, 052, 070, 089 and 119 cm3 ........................................................................ 10Outline drawing, configuration MS ................................................................................................................... 10Outline drawing, basic model ............................................................................................................................. 14Outline drawing, motor configuration AM 01000 ....................................................................................... 14Outline drawing, motor configuration MR ..................................................................................................... 15Circuit diagrams ....................................................................................................................................................... 16
Dimensions – Frame size 166, 227 and 334 cm3 ............................................................................................ 18Outline drawing, configuration MS ................................................................................................................... 18
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Series 20 – Axial Piston MotorsTechnical InformationSectional View
P005 118E
AXIAL PISTON FIXED DISPLACEMENT MOTOR
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Series 20 – Axial Piston MotorsTechnical InformationSystem Circuit Description
PUMP AND MOTOR CIRCUIT DESCRIPTION
MOTOR CIRCUIT SCHEMATIC
HEAT EXCHANGER BYPASS VALVE
RESERVOIR
VACUUM GAUGE
HEAT EXCHANGER
OUTPUT SHAFT
MOTOR SWASHPLATE
FIXEDDISPLACEMENT MOTOR
LOOP FLUSHING VALVE
PURGE RELIEF VALVE
CHARGE PRESSURERELIEF VALVE
SERVOPRESSURERELIEF VALVES
SERVO CONTROL CYLINDER
SERVO CONTROL CYLINDER
PUMP SWASHPLATE
REVERSIBLE VARIABLEDISPLACEMENT PUMP
CONTROL HANDLE
INPUT SHAFT
WORKING LOOP (LOW PRESSURE) SUCTION LINE CASE DRAIN FLUIDCONTROL FLUIDWORKING LOOP (HIGH PRESSURE)
P000 027E
Designation:1 = Fixed displacement motor2 = Purge relief valve3 = Shuttle valve4 = High pressure relief valve
Ports:A, B = Main pressure ports (working loop)L
1, L
2 = Drain ports
MA = Gauge port for port A
MB = Gauge port for port B
M = Gauge port - charge pressure
A
BL1
L2
M MB
MA
1
4
4
23
P000 034
Above figure shows schematically the function of a hydrostatic transmission using an axial piston variable displacement pump and a fixed displacement motor.
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Series 20 – Axial Piston MotorsTechnical InformationTechnical Specification
TECHNICAL PARAMETERS DesignAxial piston motor with fixed displacement and swash plate design.
Type of mountingSAE four bolt flanges.
Pipe connectionsMain pressure ports: SAE split flangeRemaining ports: SAE O-ring boss
Direction of rotation and flowClockwise or counterclockwise (viewing from the output shaft).
Direction of rotation Port A Port B Clockwise (R) Output Input
Counterclockwise (L) Input Output
Installation positionOptional; motor housing must be always filled with hydraulic fluid.
External drain fluid loss
P005 105E
Driveshaft speed n (min-1) (rpm)
Exte
rnal
dra
in fl
uid
loss
(l/m
in)
Typical values for 350 bar [5076 psi]and 18˚ swashplate angle
1000 2000 3000 400000
4
8
12
16
20
24
28334
089
070052
033
(US
gal
/min
)
0
1
2
3
4
5
6
7
227
166
119
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Series 20 – Axial Piston MotorsTechnical Information
HYDRAULIC PARAMETERS
System pressure range, input p1
Pressure on port A or B:
Max. operating pressure ∆p = 420 bar [6092 psi]Max. high pressure setting ∆p = 460 bar1 [6672 psi] 1only with POR-valve
System pressure range, output p2
Normal setting for configuration MS and MR: 11.0 - 12.5 bar [160 - 181 psi] above case pressure.
Minimum: 8 bar, intermittent only
Case pressureMax. rated pressure = 2.5 bar [36.3 psi]Intermittent = 5.0 bar [72.5 psi]
Hydraulic fluidRefer to Sauer-Danfoss publication Hydraulic Fluids and Lubricants and Experience with Bio Fluids for biodegradable hydraulic fluids.
Hydraulic fluid temperature rangeϑmin = - 40 °C [- 40 °F]ϑmax = 95 °C [203 °F]
Viscosity rangeνmin = 7 mm2/s [49 SUS*]νmax = 1000 mm2/s [4630 SUS*] (intermittent cold start)Recommended viscosity range: 12 - 60 mm2/s [66 - 278 SUS*]
*SUS (Saybolt Universal Second)
FiltrationRequired cleanliness level: ISO 4406-1999 Code 22/18/13 or better. Refer to Sauer-Danfoss publication Hydraulic Fluids and Lubricants and Design Guideline for Hydraulic Fluid Cleanliness.
Shaft loadThe pump will accept radial and axial loads on its shaft, the maximum capacity being determined by direction and point of application of the load. Please contact your Sauer-Danfoss representative.
Technical Specification
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Series 20 – Axial Piston MotorsTechnical InformationTechnical Specification
HYDRAULIC PARAMETERS (continued)
Technical data Dimension Frame size
033 052 070 089 119 166 227 334
Max. displacement cm3 33.3 51.6 69.8 89.0 118.7 165.8 227.3 333.7
[in3] [2.03] [3.15] [4.26] [5.43] [7.24] [10.12] [13.87] [20.36]
Rated speed 1 min-1 (rpm) 3800 3500 3200 2900 2700 2400 2100 1900
Theoretical torque Nm/bar 0.53 0.82 1.11 1.42 1.89 2.64 3.62 5.31
[in lb/1000 psi] [323] [500] [677] [867] [1153] [1611] [2209] [3240]
Mass moment of inertia kg m2 • 10 -3 4.34 8.14 12.34 17.77 29.11 50.19 86.80 161.40
of rotating group [lbf•ft2 • 10 -3] [103.0] [193.2] [292.8] [421.7] [690.8] [1191.0] [2059.8] [3830.0]
1 for higher speeds contact your Sauer-Danfoss representative
Determination of nominal motor size
Unit: Metric System: Inch System
Vg • n
V
g • n
Input flow Qe = l/min Q
e = [gpm]
1000 • ηv 231 • η
v
Vg • ∆p • η
m V
g • ∆p • η
mOutput torque Me = Nm M
e = [lbf•in]
20 • π
2 • π Q
e • ∆p • η
t V
g • n • ∆p • η
tOutput power Pe = kW P
e = [hp]
600 396 000
Qe • 1000 • η
v Q
e • 231 • η
vSpeed n = min-1 n = (rpm) V
g V
g
Efficiency characteristic curves available on request.
Vg
= Moror displacement per revolution cm3 [in3]n = Motor speed min-1 (rpm)∆p = Hydraulic pressure differential bar [psid] ∆p = p
HD - p
ND
ηv
= Moror volumetric efficiencyη
m = Moror mechanical efficiency
ηt
= Moror total efficiencyp
HD = High pressure bar [psid]
pND
= Low pressure bar [psid]
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Series 20 – Axial Piston MotorsTechnical InformationNotes
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Series 20 – Axial Piston MotorsTechnical InformationDimensions – Frame Size 033, 052, 070, 089 and 119 cm3
K
J
E
Coupling may not protrudebeyond L mm maximumlenght of full spline
Port "L1": Case drain port(use highest port as outlet)
Approx. centreof gravity
26.2
Purge relief valve
Shuttle valve(both sides)
Port "A"
Port "L2":Case drain port
M
12.45±0.24
D
C
B
A
Shaft spline data: *Pitch Ø = SPressure angle = 30˚Number of teeth = TPitch = U
XØ
N -0
.05
Ø O Ø P
Ø R
FF G
Ø H
52.4 Y
P000 567E
View YFlange design2/070
Gauge port "MA"
Port "A"
High pressure reliefvalve for port "B"
VPort "A"
VPort "B"
219
High pressure reliefvalve for port "A"
Port "B"
Gauge port "M"charge pressure
Gauge port "MB"
P005 101E
OUTLINE DRAWING, CONFIGURATION MS
* Shaft spline data: spline shaft with involute spline, according to SAE handbook, 1963, class 1, fillet root side fit.
Frame size Port A and B Port L1 and L
2 Port M
A and M
B Port M
033 SAE flange, size 1
052 SAE split flange boss 7/8-14 UNF-2B 7/16-20 UNF-2B
070
5000 psi SAE straight thread SAE straight thread
4 threads O-ring boss O-ring boss
089 3/8-16 UNC-2B
119 18 deep
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Series 20 – Axial Piston MotorsTechnical InformationDimensions – Frame Size 033, 052, 070, 089 and 119 cm3
OUTLINE DRAWING, CONFIGURATION MS (continued)
124
W
156
146
Ø162
190
Ø15+ 0.8– 0.3
Rotation
L R 45˚
Approx. centreof gravity
View X (for SMF 2/033 - 2/052 only)
P005 102E
W
45˚
Ø162
Ø15+ 0.8– 0.3
Rotation
L R
Approx. centreof gravity
P005 119E
View X (for SMF 2/070 only)
168
168
142.
8
Ø19
3.5
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Series 20 – Axial Piston MotorsTechnical Information
170
203
45˚
213
Ø229
Ø21.3 + 0.8– 0.3
Rotation
L R
View X (for SMF 2/119 only)
Approx. centreof gravity
P005 103E
Dimensions – Frame Size 033, 052, 070, 089 and 119 cm3
OUTLINE DRAWING, CONFIGURATION MS (continued)
Ø162
Rotation
L R
Approx. centreof gravity
Ø15+ 0,8– 0,3
168
156
168
View X (for SMF 2/089 only)
45˚ W
P005 120
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Series 20 – Axial Piston MotorsTechnical InformationDimensions – Frame Size 033, 052, 070, 089 and 119 cm3
OUTLINE DRAWING, CONFIGURATION MS (continued)
Dimensions Frame
A mm
B mm
C mm
D mm
E mm
F mm
G mm ∅ H
mm J mm
K mm
L mm
M mm
size [in] [in] [in] [in] [in] [in] [in] [in] [in] [in] [in] [in]
033
340 252 214 156 89 70.6 82 140 16 56 48 28.4
[13.386] [9.921] [8.425] [6.142] [3.504] [2.780] [3.228] [5.512] [0.630] [2.205] [1.890] [1.118]
052
358 270 235 160 96 76 88 154 16 56 48 28.4
[14.094] [10.630] [9.252] [6.299] [3.780] [2.992] [3.465] [6.063] [0.630] [2.205] [1.890] [1.118]
070
378 290 255 165 108 86.5 98 161 16 56 48 28.4
[14.882] [11.417] [10.039] [6.496] [4.252] [3.406] [3.858] [6.339] [0.630] [2.205] [1.890] [1.118]
089
395 307 273 170 118 96.0 107 181 18 56 48 28.4
[15.551] [12.087] [10.748] [6.693] [4.646] [3.780] [4.213] [7.126] [0.709] [2.205] [1.890] [1.118]
119
442 354 295 175 125 98.2 109 200 25 75 67 38.4
[17.402] [13.937] [11.614] [6.890] [4.921] [3.866] [4.291] [7.874] [0.984] [2.953] [2.638] [1.512]
Frame ∅ N mm ∅ O
mm ∅ P mm ∅ R
mm ∅ S mm
T mm
U mm
V mm
W mm Diameter for mm
Weight kg
size [in] [in] [in] [in] [in] [in] [in] [in] [in] shaft coupling [in] [lb]
033
127 84 34.50 -0.17
8.5 33.338 21 16/32
81 92 31.75 +0.062 30
[5.000] [3.307] [1.358 -0.0067
] [0.335] [1.313] [0.827] [3.189] [3.622] [1.250 +0.0024] [66]
052
127 84 34.50 -0.17
8.5 33.338 21 16/32
85.8 96 31.75 +0.062 35
[5.000] [3.307] [1.358 -0.0067
] [0.335] [1.313] [0.827] [3.378] [3.780] [1.250 +0.0024] [77]
070
127 84 34.50 -0.17
8.5 33.338 21 16/32
85.8 101 31.75 +0.062 40
[5.000] [3.307] [1.358 -0.0067
] [0.335] [1.313] [0.827] [3.378] [3.976] [1.250 +0.0024] [88]
089
127 98 37.68 -0.17
8.5 36.513 23 16/32
95.2 114 34.95 +0.062 47
[5.000] [3.858] [1.483 -0.0067
] [0.335] [1.438] [0.906] [3.748] [4.488] [1.376 +0.0024] [104]
119
152.4 98 44.03 -0.17
11.8 42.863 27 16/32
106.5 –
41.28 +0.062 70
[6.000] [3.858] [1.733 -0.0067
] [0.465] [1.688] [1.063] [4.193] [1.625 +0.0024] [154]
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Series 20 – Axial Piston MotorsTechnical Information
OUTLINE DRAWING, BASIC MODEL
OUTLINE DRAWING, MOTOR CONFIGURATION AM 01000
Dimensions Frame size A mm [in] B mm [in] C mm [in] D mm [in] Weight kg [lb]
033 252 [9.921] 25 [0.984] 11 [0.433] – 24 [53]
052 270 [10.630] 32 [1.260] 9 [0.354] 29 [64]
070 290 [11.417] 30 [1.181] 12 [0.472] 2 [0.079] 34 [75]
089 307 [12.087] 44 [1.732] 6 [0.236] 41 [90]
119 354 [13.937] 37 [1.457] 10 [0.394] 64 [141]
For further dimensions see previous pages.
1 Light weight and short options available on request
For further dimensions see previous pages.
Dimensions – Frame Size 033, 052, 070, 089 and 119 cm3
P000 568E
CA B
A
D
B
Return from purge reliefvalve to motor case R3/4
P000 569E
12
A B
A
1.5
25
Return from purgerelief valve to motorcase 7/8 - 14 UNF - 2B
100
110
Dimensions Frame size A mm [in] Weight 1 kg [lb]
033 277 [10.905] 26 [57]
052 295 [11.614] 31 [68]
070 315 [12.402] 36 [79]
089 332 [13.071] 43 [95]
119 379 [14.921] 66 [146]
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Series 20 – Axial Piston MotorsTechnical InformationDimensions – Frame Size 033, 052, 070, 089 and 119 cm3
OUTLINE DRAWING, MOTOR CONFIGURATION MR
A
ABypass - handle
Purge relief valve
Shuttle valve(both sides)
B
129.
4 ±
0.2
5
Gauge port "MA"
Port "A"
High pressure reliefvalve for port "B"
High pressure reliefvalve for port "A"
Port "B"
Gauge port "M"charge pressure
Gauge port "MB"
58.55
50.8
41.28
25.4
3 x Ø 6.5
19.0
5
Bypass valveopened
Partial View A-A
Bypass valveclosed
90˚
90˚
P005 104E
Dimensions
Frame size
A mm
B mm Weight kg
Port MA and M
B Port M
[in] [in] [lb]
033
388 353 32
[15.276] [13.898] [71]
052
406 371 37
[15.984] [14.606] [82]
070
426 391 42 7/16-20 UNF-2B
[16.772] [15.394] [93] SAE straight thread O-ring boss
089
443 408 49
[17.441] [16.063] [108]
119
490 455 72
[19.291] [17.913] [159]
For further dimensions see previous pages.
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Series 20 – Axial Piston MotorsTechnical InformationDimensions – Frame Size 033, 052, 070, 089 and 119 cm3
CIRCUIT DIADRAMS Configuration MR
Basic model and motor configuration AM 01000
A
B
L1
L2
M MB
MA
1
4
5
4
2
3
P000 035
A
B
L2
L1
1
Return from purge reliefvalve to motor case
P000 038E
Designation:1 = Fixed displacement motor2 = Purge relief valve3 = Shuttle valve4 = High pressure relief valve5 = Bypass valve
Ports:A,B = Main pressure ports (working loop)L
1, L
2 = Drain ports
MA = Gauge port for port A
MB = Gauge port for port B
M
= Gauge port - charge pressure
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Series 20 – Axial Piston MotorsTechnical InformationNotes
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Series 20 – Axial Piston MotorsTechnical InformationDimensions – Frame Size 166, 227 and 334 cm3
View Y View X
Gauge port "MA"
Port "A"
High pressure reliefvalve for port "B"
VPort "A"
VPort "B"
Z
High pressure reliefvalve for port "A"
Port "B"
Gauge port "M"charge pressure
Gauge port "MB"
Rotation
L R
Approx. centreof gravity
AA
45˚
CC
Y
X W
BB
P005 100E-2
OUTLINE DRAWING, CONFIGURATION MS
* Shaft spline data: spline shaft with involute spline, according to SAE handbook, 1963, class 1, fillet root side fit.
77
J
E
Coupling may not protrudebeyond L mm maximumlenght of full spline
Port "L1": Case drain port(use highest port as outlet)
Approx. centreof gravity
36.5
Purge relief valve
Shuttle valve(both sides)
Port "A"
Port "L2":Case drain port
M
12.45±0.24
D
C
B
A
Shaft spline data: *Pitch Ø = SPressure angle = 30˚Number of teeth = TPitch = U
X Ø N
-0.0
5
Ø O
Ø P
Ø R
FF G
Ø H
79.4
Y
P005 100E-1
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Series 20 – Axial Piston MotorsTechnical Information
OUTLINE DRAWING, CONFIGURATION MS (continued)
Dimensions
Frame size A mm
B mm
C mm
D mm
E mm
F mm
G mm ∅ H
mm J mm
[in] [in] [in] [in] [in] [in] [in] [in] [in]
166
467 388 331 219 136 122.2 136 229 24
[18.740] [15.276] [13.031] [8.622] [5.354] [4.811] [5.354] [9.016] [0.945]
227
498 410 346 228.5 139.7 134.9 152 264 27
[19.606] [16.142] [13.622] [8.996] [5.500] [5.311] [5.984] [10.394] [1.063]
334
537 449 389 278 154 143.5 161 292 38
[21.142] [17.677] [15.315] [10.945] [6.063] [5.650] [6.339] [11.496] [1.496]
Frame size M
mm ∅ N mm ∅ O
mm ∅ P mm ∅ R
mm ∅ S mm
T mm
U V mm
[in] [in] [in] [in] [in] [in] [in] [in]
166
38.4 165.1 98 44.03 - 0.17
11.80 42.863 27 16/32
130.0
[1.512] [6.500] [3.858] [1.733 - 0.0067
] [0.465] [1.688] [1.063] [5.118]
227
38.4 165.1 110 44.03 - 0.17
11.80 42.863 27 16/32
143.7
[1.512] [6.500] [4.331] [1.733 - 0.0067
] [0.465] [1.688] [1.063] [5.657]
334
46.2 177.8 114 64.66 - 0.16
14.35 63.500 40 16/32
158.7
[1.819] [7.000] [4.488] [2.546 - 0.0063
] [0.565] [2.500] [1.575] [6.248]
Frame size W
mm X
mm Y
mm Z
mm AA
mm BB
mm CC
mm Diameter for Weight
kg
[in] [in] [in] [in] [in] [in] [in] shaft coupling [lb]
166
148 145 254 285 317.5 20.6 ± 0.4 6 41.28 + 0.062 124
[5.827] [5.709] [10.000] [11.220] [12.500] [0.811 ± 0.0157] [0.236] [1.625 + 0.0024] [273]
227
156 160 265 265 317.5 20.6 ± 0.4 13 41.28 + 0.062 152
[6.142] [6.299] [10.433] [10.433] [12.500] [0.811 ± 0.0157] [0.512] [1.625 + 0.0024] [335]
334
176 174 298 298 350.0 27.0 + 0.5 18 61.93 + 0.074 197
[6.929] [6.850] [11.732] [11.732] [13.780] [1.063 + 0.0197] [0.709] [2.438 + 0.0029] [434]
Frame size Port A and B Port L1 and L
2 Port M
A and M
B Port M
1 5/16 -12 UN - 2B
166 SAE flange, size 1 1/2 SAE straight thread
SAE split flange boss O-ring boss 7/16-20 UNF-2B
6000 psi SAE straight thread
227
4 threads 1 7/8 -12 UN - 2B O-ring boss
5/8 -11 UNC - 2B SAE straight thread
334
35 deep O-ring boss
Dimensions – Frame Size 166, 227 and 334 cm3
- 0.1
- 0.0039
Series20_Axial Piston Motors_TI_012002.indd 11.2.2002, 12:2418-19
Sauer-Danfoss Hydraulic Power Systems– Market Leaders Worldwide
Sauer-Danfoss is a comprehensive supplier providing complete systems to the global mobile market.
Sauer-Danfoss serves markets such as agriculture, construction, road building, material handling, municipal, forestry, turf care, and many others.
We offer our customers optimum solutions for their needs and develop new products and systems in close cooperation and partnership with them.
Sauer-Danfoss specializes in integrating a full range of system components to provide vehicle designers with the most advanced total system design.
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www.sauer-danfoss.com
OUR PRODUCTS
Hydrostatic transmissions
Hydraulic power steering
Electro-hydraulic power steering
Electric power steering
Closed and open circuit axial piston pumps and motors
Gear pumps and motors
Bent axis motors
Radial piston motors
Orbital motors
Transit mixer drives
Planetary compact gears
Proportional valves
Directional spool valves
Cartridge valves
Hydraulic integrated circuits
Hydrostatic transaxles
Integrated systems
Fan drive systems
Electrohydraulic controls
Digital electronics and software
Battery powered inverter
Sensors
DKMH.PN.340.C1.02 520L0516
Series20_Axial Piston Motors_TI_012002.indd 11.2.2002, 12:2420