Preparing your view.
AMilitary transport & logistics
10-ton, 8×8, heavy tactical truck
BMilitary transport & logistics
Measured figures
Length · source measurement 1
Single sourceLength · source measurement 2
Single source34 ft 1 in; 10.4 m[source]
Width · source measurement 1
Single sourceWidth · source measurement 2
Single source8 ft 0 in; 2.4 m[source]
Height
Single sourceover spare tire
Single source9 ft 10 in; 3.0 m (over spare tire)[source]
GCWR
Single sourceladen (a-kit)
Single sourceladen (b-kit)
Single sourceunladen
Single source42,500 lb (19,300 kg) unladen 69,000 lb (31,000 kg) laden (a-kit) 75,500 lb (34,200 kg) laden (b-kit) 109,000 lb (49,000 kg) (GCWR)[source]
Maximum; Maximum speed
Single source62 mph (100 km/h)[source]
Operational; Loaded
Single source300 mi (483 km) loaded[source]
Caterpillar (CAT) C15, 15.2-liter, 6-cylinder inline water-cooled EPA 2004 compliant diesel
Single sourceCaterpillar (CAT) C15, 15.2-liter, 6-cylinder inline water-cooled EPA 2004 compliant diesel 515 hp (384 kW)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Heavy Expanded Mobility Tactical Truck | Mercedes-Benz short-bonnet trucks |
|---|---|---|
| Type | 10-ton, 8×8, heavy tactical truck[source] | — |
| Place of origin | United States[source] | — |
| In service | 1982–present[source] | — |
| Used by | U.S. Army and others (see Operators )[source] | — |
| Designer | Oshkosh Corporation[source] | — |
| Designed | 1981[source] | — |
| Manufacturer | Oshkosh Corporation[source] | Daimler-Benz (1959–1995) Freightliner (1975–1991) Iran Khodro Diesel Company (1979–present)[source] |
| Produced | 1982–present[source] | — |
| No. built | 35,800 (new build)[source] | — |
| Variants | M977A0/A2/A4 cargo truck M977A0/A2/A4 Electrical Power Plant cargo truck (EPP) M978A0/A3/A4 tanker M983A0/A2/A4 tractor M983A2/A4 Light Equipment Transport tractor (LET) M984A0/A1/A2/A4 wrecker M985A0/A2/A4 cargo truck M985A0/A2/A4 Guided Missile Transporter cargo truck (GMT) M1120A2/A4 Load Handling System (LHS) M1142 Tactical Fire Fighting Truck (TFFT) M1158 water tender M1977A0/A2/A4 Common Bridge Transport (CBT) THAAD Missile Transporter erector launcher HEMTT A3 (ProPulse).[source] | — |
| Armor | U.S. Army Long Term Armor Strategy (LTAS) compliant; A-kit (integral) and B-kit (add-on armor appliqué)[source] | — |
| Payload capacity | rated at 10 short tons (9,100 kg)[source] | — |
| Transmission | Allison 4500SP 5-speed automatic with Oshkosh enhanced 55,000-pound (25,000 kg) 2 speed transfer case[source] | — |
| Suspension | Holland ADS-240 air (front); Holland AD-246 air (rear)[source] | — |
| Fuel capacity | 155 US gal (587 L)[source] | — |
| Steering system | power-assisted on front tandem[source] | — |
| Production | — | 1959–present[source] |
| Assembly | — | West Germany: Mannheim (medium-weight trucks) West Germany: Gaggenau (heavy trucks) Brazil: São Bernardo do Campo Iran: Tehran South Africa: East London[source] |
| Class | — | Truck[source] |
| Layout | — | FR layout[source] |
| Successor | — | Freightliner FL-Series (in-direct)[source] |
| Country of origin | — | West Germany[source]Inventory Origin column; table 9, row 8, cell 4; revision 1375919249; retrieved 2026-10-01 |
| Reported operators |
| — |