AIR CLEANERType: Dry, two-stage with safety element • Underhood/outside air intake selector

AXLE, FrontMake & Type: Oshkosh Model 27K, singlereduction with special heat-treated alloy steelshafts, driver-controlled traction differential andOshkosh cage ring type steering endsRatio: 6.17:1

AXLE, Rear Make & Model: Eaton 17427, full floating, singlereduction with special heat-treated alloy steelshafts and driver-controlled traction differential Ratio: 6.14:1

AIR BRAKES, PARKING AND EMERGENCY Type: Spring, mounted on rear axle.Secondary Emergency System: Modulated splittype • Auxiliary air inlet, left side • Quick drainlanyards on all tanks

BRAKES, SERVICE Type: Dual system, air operated mechanical,Electronic Antilock Brake System (4S4M) Front: 16.5 x 7 in [419 x 179 mm] S-cam rotaryRear: 16.5 x 5 in [419 x 127 mm] S-cam rotary Compressor: 15.7 cfm

CAB CONSTRUCTIONOshkosh extra heavy duty � Corrosion resistantAluminum body with fiberglass roof and fascia �Full-length stainless steel piano type door hinges� Fully rustproofed � One piece panoramicreverse slope windshield � Power windows leftand right � Stationary rear windows (3) � Domelights (2) � Courtesy entry lights (2) � Tintedsafety glass � 70 inch cab width � Three-pointrubber mount

STANDARD ACCESSORIES Electric horn � National Standard Plus air ridedriver’s seat, right of center � Fold up cloth

passenger jump seat � 55,000 BTUheater/defroster � Digital Climate Control� Cigar lighter (1) � 12 volt Power outlet (1) � Cup holders (2) � Doors, (2) locking � Ashtray� Electronic engine controls with on-boarddiagnostics integral with Oshkosh CommandZone® � Electric remote control heated WestCoast type mirrors with separate remoteadjustable heated spotter mirrors � Ether startingaid, thermally protected, ignition switch activated� Keyed chassis engine � Floor mat � Fresh airtype heater and defroster � Grab Handles � LCDdash display � Light bars � Quad electricwindshield wipers mounted above windshieldwith intermittent speed control � Self-cancelingturn signals � Side window defrosters � Sunvisor, full width exterior front � Tilt/telescopingsteering wheel � Windshield washer, 6 quarts � Three point seat belts � High idle cruise control� Digital clock / outside air temperature

INSTRUMENTATION Oshkosh Command Zone® LCD dash pod onsteering column: Speedometer � Odometer� Tachometer � Hourmeter (registering enginerun hours) � Voltmeter � Air system pressure(dual system) � Fuel Level with low fuel levelwarning � Warning Icons for: Low Air Pressure� ABS Fail � ABS Communication lost � EngineCommunication lost � Engine Stop � Engine Failmode � Low Voltage � Engine overheat � Enginelow oil pressure � Transmission overheat –Transmission fail � Transmission communicationlost � Hydraulic temperature � Hydraulic fluidlevel � Parking Brake Applied � Low transmissionoil sensor � Transfer case range � Tractionenhancement locked/unlocked � Transmissiongear selection

CHASSIS EQUIPMENTAir dryer � Backup alarm � Crankshaft PTOadapter � Dual 125 gal [473 L] fuel tanks � Flattop steel fenders � Full catwalks � Heatedfuel/water separator � Mud flaps front and rear

of rear tires � One-piece molded fiberglass tiltingengine cover, carrier engine � Vertical exhaustwith stainless steel shield

COOLING SYSTEM Radiator Core: Fin and tube type with built-indeaeration system • Horizontal flowFrontal Area: 1,080 in2 [6,967cm2] Radiator Construction: Bolted, with built-indeaeration system Charge Air Cooler: Cooling flow parallel toradiatorFan: Temperature-controlled clutch, two-speed

DRIVE ENGINEMake & Type: Caterpillar, C-11 ACERT, in-line 6 cylinder, four cycle Displacement: 677 in3 [11.1 L] Horsepower: 335 @ 2,100 rpm, 350 @ 1,800 rpm Peak Torque: 1,250 lb ft @ 1,200 rpm Governed RPM: 2,100

ELECTRICAL SYSTEM Alternator: 145 amp, chassis engine drivenLighting: 12 voltStarting: 12 voltBattery: Four 12 volt, 950 CCA each @ 0°F [-18°C] (3800 CCA total)

FRAME Material: Carbon manganese steel, heat-treatedType: Single formed channelSize: 12.38 x 3.88 x .38 in [314 x 98 x 9.5 mm]Yield Strength: 120,000 psi [827 Mpa] minimumTapered Section Modulus: 19.67 to 23.49 in3

[322.34 to 384.94 cm3] per railRBM: 2,818,000 in-lb per railConstruction: Grade 8 flanged bolts and flangedlocknutsFront Frame Extension: 24 inchesRear Tow Hooks: TwoBumper: Straight rear bumper, full width

CHASSIS SPECIFICATIONS:

OSHKOSH® H-SERIES™ CHASSISMODEL HB2718

LIGHTING Cab-mounted headlights with turn signals� Clearance and marker lights to comply withfederal regulations � Engine compartment lights� Fender-mounted headlights and turn signals� Roof-mounted strobe light � Dual back-uplights � Dual stop, tail, turn signal lights (LED) at rear

PAINT Acrylic urethane � Epoxy primer � One color from Oshkosh standard color chart

PROPELLER SHAFTS Make & Model: Dana 1710 Series Dynamically balancedSplines: “Glidecoat” treated

STEERING SYSTEM Make & Type: Sheppard 592S integral hydraulicpower gearChassis Hydraulics Warning System: Lowlevel/high temperature

SUSPENSION Front: Type: Hotchkiss, semi-elliptic spring

Main: 7 leaf, 48 x 3 in [1,219 x 76 mm] Auxiliary: 5 leaf, 39.63 x 3 in [1,006 x 76mm] Rating: 27,000 lb [12,247 kg]

Rear: Type: Hotchkiss, semi-elliptic springMain: 7 leaf, 48 x 3 in [1,219 x 76 mm]Rating: 18,000 lb [8,165 kg]

TIRES Make & Tread: Michelin XZLSize: 395/85R20 - 20 ply

TRANSFER CASE* Make & Model: Oshkosh 55000 Series, rear axledeclutchSpeeds: Two with Oshkosh SmartShift®

Ratio: 2.66:1 and 0.98:1*Versions are available with rear axle disconnect, bevelgear center differential with driver-controlled lock, orautomatic (Dorr-Miller) differential

TRANSMISSIONALLISON® 4th generation 4-speed electronic1st ............3.51:1 Reverse ............4.80:12nd ...........1.91:13rd ............1.43:14th ............1.00:1

VEHICLE RATINGS Ratings at Axle Hubs:Front: 27,000 lb [12,247 kg]Rear: 18,000 lb [8,165 kg]Total: - 45,000 lb [20,412 kg]

WHEELBASE 164 in [4,166 mm]

WHEELSType: Steel DiscSize: 20.00 x 10.00 in

CHASSIS OPTIONS*Accessories: Air conditioning (n/a with auxheater) � Auxiliary heater (n/a with airconditioning) � Heated side window wipers� Heated front wipers (n/a with heatedwindshield) � National Premium heateddriver’s seat with 3-way air adjustable lumbarsupport � Air ride seat for passenger �AM/FM radio with weather band & CD player� Deluge system � Heated windshield �Lubrication data plate

Attachments: Blower � Various broompackages � Displacement plow packages �Underbody scraper (chassis only) � Sidemount wings � Side dumps and materialspreaders

Drive Train: Caterpillar C-13 engines rated at380 HP (1,450 lb/ft torque), 470 HP (1,550lb/ft torque) � Allison 4th Generation 4500 � 29K front axle � 26K rear axle (with ALLSTEER® only) � 23K rear axle � ALL STEER®

electronic all-wheel steering system (18K,

23K, or 26K rear) � Driver controlled andautomatic lock/unlock transfer casedifferentials � Turbo II Intake air precleaner(chassis engine only)

Electrical System: 160 amp high-outputalternator � HID and other lighting � On-board battery charger � Battery Disconnect at battery box

Frame & Chassis: Single side fuel fill �110-volt in-tank fuel heater � Tapered rearbumper � Centralized side drain kit � Quickhitch for mounting broom, blower, or plowattachments � ADIP air dryer � Shockabsorbers � Pintle hitch

Tires & Wheels: 16R20 Michelin XZL �Spare tires & wheels

Winterization: Engine block heater, 1500watts � Battery heater, 300 watts � In-tankfuel heater� Jumper lugs at battery box

* Consult factory for complete option list and optioncompatibility. Other engine ratings may be available.

CLUTCH Type: Full torque power take-off with SAE No. 1housing, power engage/disengageSize: 14 in [356 mm], three plate

DROP BOXMake and Type: Oshkosh 2-speed helical gearRatios: 1.06:1 and 1.26:1Lubrication: Pressurized system

HYDRAULIC SYSTEMLift Blower Ribbon

Reservoir (gal) 14 19.5Pressure (psi) 2,000 5,000Flow (gpm @ rpm) 8 @ 2,100 76 @ 2,300Pump Drive Chassis eng. Blower eng.Filter SAE J931 SAE J931Control Joystick 2 speed/reverse

Shut off valve at reservoir outlet � Auger drivehydrostatic warning system, low oil level/hightemp

PROPELLER SHAFTS Engine/Drop Box to Blower Impeller: 1710Series

BLOWER ENGINE (4 CYCLE) Make & Type: Caterpillar, C-15, in-line 6 cylinder,Four CycleDisplacement: 900 in3 [14.8 L]Horsepower: 525 @ 2,300 rpmPeak Torque: 1,770 lb/ft @ 1,400 rpmGoverned RPM: 2,300Heated Fuel/Water Separator

RIBBON AUGERSize: 52 in [1,321 mm] diameter � Hydraulicoverride and relief � Reversible ribbon drive

IMPELLER Size: 59 in [1,499 mm] diameter, five blades, Two shear bolts in impeller shaft flange, impellerhousing liner � 6:1 planetary reduction

HEAD10 in steel caster wheels � T-1 steel cutting edge� 30 in discharge chute � Abrasion resistant skidshoes � Dual hydrostatic ribbon drive with highspeed motors through planetary reduction� Removable ribbon flights

AIR CLEANERType: Dry, two-stage with safety element

Auxiliary Engine: Inside/outside airbox,temperature controlled

COOLING SYSTEMFrontal Area: 1400 in2 (9,033 cm2)Radiator Core (Auxiliary): Fin and tube type with built-in deaeration system Engine Air Intake Cooler: Mounted in front of radiator Fan: Temperature controlled clutchSpin on coolant filtersSilicone radiator and heater hoses

IN CAB BLOWER INSTRUMENTATION� Ribbon speed � Joystick active/inactive � Joystick fault � Ribbon rotation direction� Ribbon stopped � Drop box range � Chuterotation � Float/weight transfer

BLOWER OPTIONS*Accessories: Lubrication Data Plate

Blower head: Carbide & polymer cutting edges� Carbide skid pads � Rubber tire casters withweight transfer system � Hydraulic relief valveblock � Spare impeller paddles � Left hand flatcast � Multi-section cutting edges � Serratedribbons � Side cutter bars � Spare ribbons� Spot casting loading chute � Strata speed� Quick disconnect propshaft

Blower Engine: Caterpillar C-16, 650 HP, 1950 lb/ft torque � Centralized blower installation side drain kit

Winterization: Engine oil pan heater, 300 watts� Engine Block Heater, 1,500 watts

BLOWER HEAD AND POWER TRAIN

OSHKOSH® SNOW BLOWERMODEL H2718B

For reference only. The addition of options will change the listed standarddimensions and weights in some cases. For certified dimensions and weights,consult Oshkosh Truck Corporation. Specifications, descriptions andillustrations in this literature are as accurate as known at the time of publicationbut are subject to change without notice. Ratings are general guidelines. Actualratings vary with application and duty cycle. Illustrations may include optionalequipment and accessories but may not include all standard equipment.Consult Oshkosh Truck Corporation for additional information.

* Consult factory for complete option list and option compatibility. Otherengine ratings may be available.

2307 Oregon Street, P.O. Box 2566, Oshkosh, WI 54903-2566 920-235-9150 www.oshkoshtruck.com© 2006 Oshkosh Truck Corporation ® Oshkosh, ALL STEER, Smart Shift and the Oshkosh logo are registered trademarks of Oshkosh Truck Corporation, Oshkosh, WI ® Allison is a registered trademark of General Motors Corporation,Detroit, MI ® Bostrom is a registered trademark of Bostrom Seating, Inc. of Cudahy, WI ® Michelin is a registered trademark of Michelin, Greenville, SC

H-Series Chassis 300 4/06