7/28/2019 12k vs 12h
1/13
1
Caterpillar
K-Series Motor Graders
12K vs. 12H STD
Comparative Presentation
12K2HOverview
Introduction
General Specs
Operator Environment
Structures
Transmission
Engine
Hydraulics
Integrated Electronics
Safety
Machine Dimensions
Machine Specifications
7/28/2019 12k vs 12h
2/13
2
12K2HIntroduction
K-Series Improved Features
ACERT En gines
Tier 2 Emissions
Better Fuel Efficiency
Improved Cold Starting Cat C7 (7.2L)
VHP (Standard)
Better Power Delivery
Less Tire Slip / Wear
Lower O&O Costs
39% Torque Increase
Electronic Throttle
Built-In Diagnostics
Isolation Mounting
Operator Station
Increased Ventilation
Improved Gauge Cluster
Monitoring System (ET) AccuGrade Ready
Product Link Ready
Diff Lock/Unlock
Serviceability
Ground Level Daily Check
Left Side Grouped
Cat ET
Increased Diagnostics
500 Hr Engine Oil Interval
4000 Hr HydOil Interval
12000 Hr Engine Coolant
Up to 50% Less Labor
Electronic Disconnect
Emergency Shutoff
Non-skid Tandem Steps
Transmission
Direct Drive, Power Shift
Electronic Control (ECP C)
Optimized Inching Modulation 8F/6R Gears
Autoshift (Optional)
Over-speed Protection
Speedometer / Tachometer
Built-In Diagnostics
12K2H
Cat 3306
Tier I
14 010 kg (30,886 lb)
104 kW (140 hp) Base Power (1F 3F)
123 kW (165 hp) VHP (4F 8F) Std
8F/6R
C7.2 VHP with ACERT Technology
Tier 2 Certified
15 754 kg (34,731 lb)
108 kW (145 hp) Base Power (1F 2F)
116 kW (155 hp) VHP (3F) Std
123 kW (165 hp) VHP (4F 8F) Std
8F/6R
General Specs
7/28/2019 12k vs 12h
3/13
3
12K2H
Mechanical-Linked Hydraulic
Low Effort, Lever Controls
STD Monitoring System
Hand Throttle Control
Well Ventilated Cab
Excellent Visibility
Mechanical-Linked Hydraulic
Low Effort, Lever Controls
Improved Monitoring System
Electronic Throttle Control
Improved Cab Ventilation
Excellent Visibility
Operator Environment
12K2H
Conventional Levers (6 base functions)
1. Left Blade Lift / Lower
2. Moldboard Side Shift (Optional)
3. Blade Tip (Optional)
4. Blade Circle
5. Articulation
6. Drawbar Center Shift
7. Wheel Lean
8. Right Blade Lift / Lower
Conventional Levers (8 base functions)
1. Left Blade Lift / Lower
2. Moldboard Side Shift (Standard)
3. Blade Tip (Standard)
4. Blade Circle
5. Articulation
6. Drawbar Center Shift
7. Wheel Lean
8. Right Blade Lift / Lower
Operator Environment - Controls
7/28/2019 12k vs 12h
4/13
4
12K2H
Controls
1. Steering
2. Differential Lock / Unlock (Optional)
3. Transmission Direction/ Gear Selection/Parking Brake
4. Mechanical Hand Throttle
Controls
1. Steering
2. Differential Lock / Unlock (Standard)
3. Transmission Direction/ Gear selection/Parking Brake
4. Electronic Throttle Control
Operator Environment - Controls
1
2
3
4
1
2
3 4
12K2H
Analog Gauges
Articulation
Engine Coolant Temperature
Engine Oil Pressure
Service Brake Air Pressure (Left & Right)
Voltmeter
Analog Gauges
Articulation
Engine Coolant Temperature
Engine Oil Pressure
Fuel Level
Service Brake Air Pressure (Left & Right)
Voltmeter
Speedometer/Tachometer (Optional)
Operator Environment Instrument Panel
7/28/2019 12k vs 12h
5/13
5
12K2H
Indicator Lights
Center-Shift Pin Disengaged Low Brake Air Pressure
Low Engine Oil Pressure
Parking Brake Engaged
Transmission Diagnostics
Transmission Fault
Indicator lights
Center-Shift Pin Disengaged Check Engine
Diff Lock Indicator
Hi-Beam Indicator / Turn Signals
Low Brake Air Pressure
Low Engine Oil Pressure
Parking Brake Engaged
Throttle Lock
Transmission Filter Bypass and Check
Operator Environment Instrument Panel
12K2H
Optimal Blade Positioning Capability
3-Position Link Bar (Standard)
7-Position Link Bar (Optional)
Improved Blade Positioning Capability
7-Position Link Bar (Standard)
Structures Moldboard
7/28/2019 12k vs 12h
6/13
6
12K2H
Power Shift/ Direct Drive
8 FWD/ 6 REV Gears
Integrated Parking Brake
Electronic Over-speed Protection
No Autoshift Offered
Electronically Controlled Shifts
Power Shift / Direct Drive
8 FWD/ 6 REV Gears
Integrated Parking Brake
Electronic Over-speed Protection
Autoshift Feature (Optional)
Electronically Controlled Shifts
Optimized Inching Modulation (With ECPC)
Transmission
12K2H
Cat 3306 Tier I Certified
Max Torque =648 N-m (478 lb-ft)
Altitude Deration 760 m (2,493 ft)
Std Ambient 43C (109 F)
Hi Ambient 50 C (122F) (Optional)
Cat C7 ACERT Tier 2 Certified
Max Torque =901 N-m (664 lb-ft)
Altitude Deration 3048 m (10,000 ft)
Std Ambient 50C (122 F)
Enhanced Electronically Controlled Fuel System
Maximized Fuel efficiency
39% torque increase
Engine
7/28/2019 12k vs 12h
7/13
7
12K2H
VHP Standard
VHP Increase is 19 kW (25 hp) in 4F
1F 3F =104 kW (140 hp)
4F 8F =123 kW (165 hp)
VHP Standard
VHP Delivered in 7.5 kW (10 hp) increments
1F 2F =108 kW (145 hp)
3F =116 kW (155 hp)
4F 8F =123 kW (165 hp)
Optimum Gear-to-Gear hp forImproved Productivity
Engine Power Management
12K2HEngine Power Management
123 kW (165 hp)8F123 kW (165 hp)
123 kW (165 hp)7F123 kW (165 hp)
123 kW (165 hp)6F123 kW (165 hp)
123 kW (165 hp)5F123 kW (165 hp)
123 kW (165 hp)4F123 kW (165 hp)
116 kW (155 hp)3F104 kW (140 hp)
108 kW (145 hp)2F104 kW (140 hp)
108 kW (145 hp)1F104 kW (140 hp)
VHPGearVHP
7/28/2019 12k vs 12h
8/13
8
12K2HEngine Power Management
MORE RIMPULL IN ALL GEARS
12K & 12H STD Rimpull *
0.00
5000.00
10000.00
15000.00
20000.00
25000.00
30000.00
35000.00
0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00
Ground Speed, mph
1F 12K
2F 12K
3F 12K
4F 12K
5F 12K
6F 12K
7F 12K
8F 12K
8F 12H STD
7F 12H STD
6F 12H STD
5F 12H STD
4F 12H STD
3F 12H STD
2F 12H STD
1F 12H STD
Traction Limit
* Dual power was not offered on 12H Std
Rimpull,
lbf
12K2HEngine Specifications
305 L (80.6 gal)Fuel Capacity284 L (75 gal)
108 kW (145 hp)Base Power (1st gear) - Net104 kW (140 hp)
50 C (122 F)Std Ambient Capability43C (109 F)
1450 rpmStd Ambient - Fan Speed - Max1210 rpm
3048 m (10,000 ft)Derating Altit ude4978 m (16,332 ft)
6Number of Cylinders6
2000 rpmSpeed @ Rated Power1900 rpm
901 N-m (664 lb ft)Max Torque648 N-m (478 lb ft)
50%Torque Rise30%
127 mm (5 in)Stroke152 mm (6 in)
105 mm (4.1 in)Bore121 mm (4.75 in)
7.2 L (439 in)Displacement10.45 L (638 in)
Cat C7.2 ACERT VHPModelCat 3306
Spec
7/28/2019 12k vs 12h
9/13
9
12K2H
Load Sensing Mechanical Hydraulics
Proportional Priority Pressure Compensating(PPPC) Implement Control Valves
Balanced Flow
Variable Flow Rates
Compensates for Volume Differences:Head Vs. Rod End of Cylinder
No Blade Float
Load Sensing Mechanical Hydraulics
Proportional Priority Pressure Compensating(PPPC) Implement Control Valves
Balanced Flow
Variable Flow Rates
Compensates for Volume Differences:Head Vs. Rod End of Cylinder
Blade Float With AccuGrade (Optional)
Hydraulics
12K2H
Electronic Technician (Cat ET)
Simple Diagnostics
Electronic Technician (Cat ET)
Improved Diagnostics
Product Link Option
Integrated Electronics
7/28/2019 12k vs 12h
10/13
10
12K2H
AccuGrade Attachment Ready Option
Not Available
AccuGrade Attachment Ready Option (ARO)
Blade Float With AccuGrade (Optional)
Integrated Electronics - AccuGrade
12K2H
Steel Non Skid Steps Not Available Steel Non Skid Steps Standard
Provide sturdy platform access to thetandems
Protect brake lines
Safety
7/28/2019 12k vs 12h
11/13
11
12K2H
Electrical Disconnect Switch Electrical Disconnect Switch
Tag-out lockout latch for added safety
Safety
12K2H
Engine Doors (Optional) Engine Doors (Standard)
Engine Shutoff Switch
Safety
7/28/2019 12k vs 12h
12/13
12
12K2H
Additional Safety Features
Laminated Front Glass (Cab Option Only)
Lockable Doors
Conveniently Located Grab Rails
Front Sunscreen Decal
Brake Lights
Back-up Alarm & Reverse Lights (Optional)
Turn Signals (Optional)
Additional Safety Features
Laminated Front Glass (Cab Option Only)
Lockable Doors
Conveniently Located Grab Rails
Front Sunscreen Decal
Brake Lights
Back-up Alarm & Reverse Lights (Standard)
Turn Signals (Optional)
Safety
12K2HMachine Dimensions
2464 mm (97in)Width - outside front tires2441 mm (96.1 in)
2468 mm (97.1 in)Width - outside rear tires2422 mm (95.4 in)
2065 mm (81.3 in)Width - tire center lines2077 mm (81.8 in)
3019 mm (118.9 in)Height to top of cylinders3030 mm (119.3 in)
2865 mm (112.8 in)Height to exhaust stack3090 mm (121.7 in)
332 mm (13.1 in)Ground cl earance at trans. case342 mm (13.4 in)
10 013 mm (394.2 in)Length - counterweight to ripper10 012 mm (394.2 in)
8467 mm (333.3 in)Length - front tire to end of rear frame8571 mm (337.4 in)
6086 mm (239.6 in)Length - front axle to mid tandem6086 mm (239.6 in)
2598 mm (102.3 in)Length - front axle to moldboard2575 mm (101.4 in)
1523 mm (60 in)Length - between tandem axles1523 mm (60 in)
596 mm (23.5 in)Ground clearance to center front axle594 mm (23.4 in)
3322 mm (130.7 in)Height ROPS canopy3332 mm (131.2 in)
3316 mm (130.6 in)Height non-ROPS cab3107 mm (122.3)
3322 mm (130.7 in)Height - ROPS cab3332 mm (131.2 in)
Dimensions
7/28/2019 12k vs 12h
13/13
13
12K2HMachine Specifications
7 L (1.8 gal)Circle Drive Housing7 L (1.8 gal)
0.5 L (0.1 gal)Front Wheel Spindle Bearing Housing0.5 L (0.1 gal)
64 L (16.9 gal)Tandem Housing (Each)64 L (16.9gal)
47 L (12.4 gal)Differential / Final Drives47 L (12.4 gal)
25 L (6.6 gal)Engine Oil27 L (7.1 gal)
55 L (14.5 gal)Hydraulic System - Tank38 L (10 gal)
40 L (10.6 gal)Cooling System40 L (10.6 gal)
305 L (80.6 gal)Fuel Tank284 L (75 gal)
Service Refill
3600 kPa (522.1 psi)Standby Pressure3600 kPa (522.1 psi)
25 500 kPa (3699 psi)Maximum System Pressure25 500 kPa (3699 psi)
205.8 L/min (54.4 gal/min)Pump Outp ut @ 2000 RPM*205.8 L/min (54.4 gal/min)
Variable PistonPump TypeVariable Piston
Load Sensing, Closed Center, PPPCCircuit TypeLoad Sensing, Closed Center, PPPC
Hydraulic System
Dual CircuitSecondary BrakesDual Circuit
Air actuated, multiple oil-discParking BrakeAir actuated, multiple oil-disc
23 948 cm(3712 in)Brake Surface Area23 948 cm(3712 in)
Dual Circuit Air, multiple oil-discBrakes, ServiceDual Circuit Air, multiple oil-disc
Direct Drive, Power ShiftTransmissionDirect Drive, Power Shift
8 Fwd / 6 RevForward/Reverse Gears8 Fwd / 6 Rev
Power Train
Competition
CAT, CATERPILLAR, their r espective logos,
Caterpil lar Yellow and the POWER EDGE trade
dress, as well as corporate and product identity
used herein, are trademarks of Caterpill ar and may
not be used without permission.
AEXC0749
Apr il 2009
12K vs. 12H STDComparative Presentation
Top Related