Heavy Expanded Mobility Tactical Truck (HEMTT)
History:
The Heavy Expanded Mobility Tactical Truck (HEMTT) provides transport capabilities for re-supply of combat vehicles and weapons systems. There are five basic configurations of the HEMTT series trucks: M977 cargo truck with Material Handling Crane (MHC), M978 2500 gallon fuel tanker, M984 wrecker, M983 tractor and M985 cargo truck with MHC. A self-recovery winch is also available on certain models. This vehicle family is rapidly deployable and is designed to operate in any climatic condition where military operations are expected to occur.
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Facts & Specs:
Dimensions:
Length: M977 / M978 / M985 - 401"; M983 - 351"; M984 - 392"
Height: Operational 112", Transport 102" - All
Width: 96" - All
Wheelbase: M977 / M978 / M985 - 210"; M983 - 181"; M984 - 191"
Turning Circle: M977 / M978 / M985 - 100'; M983 - 91'; M984 - 95'
Vehicle Curb Weight: M977 With Winch - 38,800 lb., Without Winch - 37,900 lb.; M978 With Winch - 38,200 lb., Without Winch - 37,300 lb.; M983 With Crane - 39,200 lb., Without Crane - 32,200 lb.; M984 - 50,900 lb.; M985 With Winch - 39,600 lb., Without Winch - 38,700 lb.
Ground Clearance: 24" - All
Performance:
Maximum Speed: 57 mph Governed - All
Cruising Range: 300 mi. @ Gross Vehicle Weight Rating - All
Maximum Grade: 60% - All
Approach Angle: 41 deg. - All
Departure Angle: 45 deg. - All
Side Slope: 30% - All
Maximum Fording Depth: 48" - All
Equipment Specifications:
Cab: Crew Seating: 2 Man
Seat Design: Fore/Aft Adjustable
Steering Type: Dual Gear With Integrated Hydraulic Power Assist
Engine:
Manufacturer: Detroit Diesel Allison
Model: 8V92TA
Type: 8 cylinder, 2-stroke, V-type Diesel
Rating: 450 hp, @ 2100 rpm
Fuel: Diesel, DF-2, JP-4, JP-8, VV-F-800
Oil: 30 qt. With Filter (MIL-L-2104D, MIL-L-46167)
Cooling System: 80 qt., Water, Radiator
Fan: Engine-driven, Clutch Type
Wheels: Type: Disk
Quantity: 8 ea.
Spare Tire: 1 ea.
Rim Size: 20x10
Stud Quantity: 10 per Wheel
Tires:
Radial With Tube
Quantity: 8 ea.
Spare: 1 ea.
Tread Type: Radial Traction, Non-directional
Size: 16:00x20"
Brakes:
Air-activated, Internal Expansion - All
Electrical System:
Alternator: Engine Driven: EMI/RFI Suppressed, Waterproof
Rating Standard: M977 / M978 / M984 / M985 - 65 Amp, Optional: M983 - 100 Amp
Batteries: 4 ea., 12v Connected in Series Parallel
Voltage: 24v
Manufacturer: DP Manufacturing
Model: 20K-HEMTT
Wire Rope Diameter: 9/16"
Wire Rope Length: 200'
Line Pull - 1st Layer (With 5 Wraps Minimum): 20,000 lb.
Line Pull - 2nd Layer: 18,173 lb.
Line Pull - 3rd Layer: 16,663 lb.
Line Pull - 4th Layer: 15,361 lb.
Line Pull - 5th Layer: 14,254 lb.
Material Handling Crane: Manufacturer:
M977 / M984 / M985- Grove; M983 Hiab
Model: M977 - MHC977; M983 - 8001; M984 - MHC984; M985 - MHC985
Maximum Capacity:
M977 at Boom Length of 19': 2,500 lb.
M983 at Boom Length of 10': 14,620 lb.
M984 at Boom Length of 18.2': 6,000 lb.
M985 at Boom Length of 16.5': 5,400 lb.
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