M1120 HEMTT American 8x8 Heavy Expanded Mobility Tactical Truck (HEMTT) Load Handling System (LHS)
M1120 HEMTT Load Handling System (LHS)
Heavy Utility Truck
Other
Basic Information
Name
M1120 HEMTT American 8x8 Heavy Expanded Mobility Tactical Truck (HEMTT) Load Handling System (LHS)
Designation
M1120 HEMTT Load Handling System (LHS)
Alternate Designation
M1120 HEMTT Load Handling System (LHS)
Equipment Type
Heavy Utility Truck
Manufacturer
Oshkosh
Date of Introduction
2000
Description
The M1120 HEMTT American 8x8 Heavy Expanded Mobility Tactical Truck (HEMTT) Load Handling System (LHS) was redesigned to incorporate the LHS used on the Palletized Loading System (PLS ), allowing the truck to be loaded and unloaded with cargo without additional material handling equipment. A large arm-like crane grabs pre-loaded cargo flatracks, shelters, and containers, and then hoists them onto the rear of the vehicle. A trailer can also be added to double the payload. It is designed for rapid transport of all classes of supply with a payload capacity of 22,000 lbs (9,979 kg). The HEMTT LHS is interoperable with NATO standard flatracks and air transportable in the C-130 aircraft.
Ground Specifications
Crew
2
Mobility Type
Wheeled (8x8)
Engine
6-Cylinder Turbocharged Diesel (515 hp)
NBC Protection
Yes
Max Speed
88.0 km/h
Range
483.0 km
Variants
M977
The M977 cargo truck variant is the base member of the HEMTT family. The current model is the M977A4; there was no M977A1. In addition to the basic M977A0/A2/A4 cargo truck, two other variants are available. The M977A0/A2/A4 Electrical Power Plant (EPP) has an extended cargo body (6.041 m (19.82 ft) inside length) and is used to hold and transport generators for the Patriot air-defence missile system. There is no material handling crane on the EPP. The M977A0/A2/A4 Large Repair Parts Transporter (LRPT) and the basic M977 cargo truck are fitted with a light-duty Grove materials handling crane mounted at the rear of the chassis.
M978
The M978 is a 9,500 liter capacity tanker. The current model is the M978A4; there was no M978A1. The M978A0 was produced in both potable water (approximately 18) and fuel servicing truck variants, the A2 and A4 models have only been produced in the fuel servicing truck variant.
M983 Tractor
The M983 is a tractor unit for use with the trailer-mounted MIM-104 Patriot missile system. It can also be used with the Interim Stryker Recovery System, or other trailers. An earlier variant fitted with a 30 kW generator and crane mounted behind the cab was used to tow the Pershing II Erector Launcher in CONUS (a M1001 MAN tractor was used in West Germany). The M983A2/A4 Light Equipment Transporter (LET) tractor is mainly used to transport construction and engineer equipment. It has a 45,000 lb (20,000 kg)) 2 speed hydraulic winch mounted behind the cab used to load the trailer. It does not have a self-recovery winch.
M984A1 Wrecker
The M984 wrecker is the only HEMTT variant to have been produced in the A1 configuration, and this resulting in the change of recovery crane and retrieval system between A0 and A1 configurations. The current model is the M984A4. Standard equipment includes a 27,240 kg (60,050 lb) capacity two-speed recovery winch, a rear-mounted 11,340 kg capacity vehicle retrieval system, and a 6,350 kg (14,000 lb) at 2.74 m (9.0 ft) capacity Grove materials handling crane. A 9,072 kg (20,000 lb) bare drum capacity self-recovery winch is fitted as standard on the M984.
M985 Cargo
The M985 is available in two variants. The current models are A4; there were no A1 models. The M985 cargo variant is similar to the M977 cargo truck but was developed to support the M270 Multiple Launch Rocket System (MLRS) with a M989A1 HEMAT trailer. It may also used to transport Patriot missiles. The M985 Guided Missile Transporter (GMT) was developed specifically for use with the Patriot system and it can be distinguished easily from other cargo models by its rear-mounted Hiab 8108/2 materials handling crane
Taiwanese RT-2000 Multiple Rocket Launcher
The RT-2000 [Lit; Ray-Ting-2000 or Thunder -2000] rocket launcher mounted on an M977 chassis. In service about 1997. Can mount any one of three launchers: Mk 15 117-mm, 60 rounds; Mk 30, 30 rounds with HE; AP/AM cluster warhead - >18-mile range; Mk 45 12 rounds, > 27-mile range, GPS targeting. See separate record for details.
M1120 HEMTT Load Handling System (LHS)
The M1120 Load Handling System (LHS) variant was initially introduced as part of the HEMTT overhaul/rebuild program, during which returned M977 cargo trucks have their cargo bodies and materials handling cranes removed, to be replaced by a Multilift Mark 5 (now designated MPH165-LHS) LHS, as fitted to the Oshkosh PLS truck.
M1977 HEMTT Common Bridge Transporter (CBT)
The M1977 HEMTT Common Bridge Transporter (CBT) is a further development of the M1120 LHS, and in common with the M1120 LHS was initially introduced as part of the HEMTT overhaul/rebuild program. It is used for loading, transporting, and unloading Ribbon Bridge components and bridge erection boats.
M1142
The M1142 is a Tactical Fire Fighting Truck (TFFT) capable of extinguishing aircraft, petroleum, brush, and structural fires at isolated military installations. The TFFT is based on a HEMTT M977A2 chassis with the heavier duty M1120 LHS HEMTT variant rear suspension. The TFFT contract was awarded to Pierce Manufacturing with Oshkosh Corporation as a subcontractor to Pierce.
M977 A2 Cargo Truck
Basic version.
M977 A2 EPP
Electrical power plant.
M977 A2 LRPT
Large repair parts transporter.
M978 A2
Fuel servicing transporter truck tanker.
HEMTT M983 A2 LET
Light equipment transporter.
HEMTT M983 A2
Patriot missile tractor.
M984 A2
Recovery truck.
M985 A2
Cargo and MRLS resupply.
M985 A2 GMT
Guided missile transporter.
M1120 A2 HEMTT-LHS
Heavy expanded mobility tactical truck.
M1977 A2 CBT
Common bridge transporter.
System
Alternative Designation
M1120 HEMTT Load Handling System (LHS)
Type
Heavy Expanded Mobility Tactical Truck (HEMTT) Load Handling System (LHS)
Manufacturer
Oshkosh Corporation
Configuration
8x8
Family
Heavy Expanded Mobility Tactical Truck (HEMTT)
Crew
2 ea
Payload Capacity
9,979 kg
Crane
A large arm-like crane grabs pre-loaded cargo flatracks, shelters and containers, and then hoists them on to the rear of the vehicle.
Trailer
A trailer can also be added to double the payload. It is designed for rapid transport of all classes of supply with a payload capacity of 22,000 lbs (9,979 kg).
Airdrop Capability
The HEMTT LHS is interoperable with NATO standard flatracks and air transportable in the C-130 aircraft.
Dimensions
Length
10.17 m
Width
2.44 m
Height
2.57 m
Distance Between Equalizer Pivots
5.33 m
Distance Between Axles, 1st to 2nd
1.52 m
Distance Between Axles, 2nd to 3rd
3.81 m
Distance Between Axles, 3rd to 4th
1.52 m
Weight
17,191 kg
Automotive
Engine Name
1 x Caterpillar (CAT)
Engine Type
6-cylinder inline water-cooled diesel
Engine Power
515 hp
Suspension
8 x 8 (8 wheels driving, 4-wheel steering); Hendrickson leaf spring w/steel saddle, equalizing beams, and 10-in (254-mm) vertical travel on front and rear; RT340 model rear springs on all but M985 (RT380) and M984A1 (RT500)
Maximum Speed
88 km/h
Range
483 km; w/full load at 54 km/h
Fuel Capacity
589 liters
Tire Size
16.00R20
Gradient
60 percent
Side Slope
30 percent
Fording Depth
1.23 m
Payload Capacity
9,979 kg
Protection
Armor
A-kit/B-kit; U.S. Army Long Term Armor Strategy (LTAS) compliant
Applique Armor
Available
Active Protection System
INA
NBC Protection
Yes
Smoke Equipment
No
Details
Country of Origin
United States
Category
Logistics
Land > Combat Support Vehicles > Logistics
Filter Label
M
Classification
Domain
Ground
Equipment Status
Active
Dimensions
Length
10.17 m
Width
2.44 m
Height
2.57 m
Weight
17191 kg
Operators (15)
United States
Israel
South Korea
Turkey
Brazil
Bahrain
Egypt
Greece
Jordan
Kuwait
Morocco
Oman
Qatar
Saudi Arabia
United Arab Emirates
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