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M1031 Truck, Chassis, Tactical, 1 1/4 Ton, 4x4 Chevrolet CUCV

The M1031 Chassis is a model of the M10xx Chevy Commercial Utility Cargo Vehicles (CUCV) series of trucks. The linked page provides more information on the general characteristics of the Chevrolet CUCV trucks, varaints and kits, and a directory of links to Olive-Drab.com pages for other models of the series.

The M1031 (NSN 2320-01-133-5368) provides a CUCV cab, powertrain, and chassis ready for the attachment of specialized bodies to meet military purposes. For the M1031, the most common body to be applied is the Shop Equipment, Contract Maintenance.

Tabulated data for the M1031 Truck, Chassis, Tactical, 1 1/4 Ton, 4x4 Chevrolet CUCV

EngineGM (Detroit Diesel) 379 cu in. (6.2L) J-series non-emissions diesel V-8 engine, 135hp@3600rpm
TransmissionGM TH400 (Turbo Hydramatic 400) automatic transmission with 3 forward and 1 reverse speeds
Transfer CaseManual NP208
AxlesDana 60 front, 10.5 in Corporate 14 Bolt rear diff (w/Detroit Locker). Lockout hubs on front axle. 4.56:1 ratio.
Curb Weight5250 lbs (3284 kg)
Payload3950 lbs (1793 kg)
Towed Load Allowance3000 lbs (1361 kg)
GVW9200 lbs (4177 kg)
Wheelbase131.5 in (334 cm)
Length212.9 in (504.8 cm)
Width81.2 in (206.2 cm)
Height76.3 in (193.8 cm)
Electrical12/24 volt dual voltage, 100 amp electrical system
BrakesHydraulically activated, power-assisted front disc and rear drum service brakes, silicone fluid
Fording16 in (40 cm) w/o kit
Ground Clearance7.7 in (19.6 cm), rear axle @ GVW
TiresLT235/85R-16E Steel Belted Radials
Tire Pressure45 psi (310 kPa) front, 65 psi (448 kPa) rear, 80 psi (552 kPa) spare
Fuel Tank20 Gallons US (75.7 liters)
Maximum Speeds At Governed RPM
High Range
1st 25 mph (40.2 kph)
2nd 35 mph (56.3 kph)
Drv 55 mph (88.5 kph)
Rev 9 mph (24.5 kph)
Maximum Speeds At Governed RPM
Low Range
1st 14 mph (22.5 kph)
2nd 23 mph (37.0 kph)
Drv 35 mph (56.3 kph)
Rev 6 mph ( 9.6 kph)

Table data from TM 9-2320-289-10, updated through Change 5.

Manuals for the M1008, M1009, M10xx Chevrolet CUCV trucks will be numbered TM9-2320-289-xx where the xx represents the maintenance level. You can purchase the Chevrolet CUCV manuals at ABE Books.

M1031 Truck, Chassis, Tactical, 1 1/4 Ton, 4x4 Chevrolet CUCV
M1031 Truck, Chassis, Tactical, 1 1/4 Ton, 4x4 Chevrolet CUCV.

M1031 Cab-Chassis dataplate.  Photo: Government Liquidation.com
M1031 Cab-Chassis dataplate. Photo: Government Liquidation.com.

M1031 Cab-Chassis dataplate.  Photo: Government Liquidation.com
M1031 Cab-Chassis dataplate. Photo: Government Liquidation.com.

M1031 Cab-Chassis dataplate for Shop Equipment, Contract Maintenance.  Photo: Government Liquidation.com
M1031 Cab-Chassis dataplate for Shop Equipment, Contract Maintenance. Photo: Government Liquidation.com.

M1031 Cab-Chassis dataplate for Shop Equipment, Contract Maintenance.  Photo: Government Liquidation.com
M1031 Cab-Chassis dataplate for Shop Equipment, Contract Maintenance. Photo: Government Liquidation.com.

M1031 Truck, Chassis, Tactical, 1 1/4 Ton, 4x4 with Shop Equipment, Contract Maintenance.  Photo: Government Liquidation.com
M1031 Truck, Chassis, Tactical, 1 1/4 Ton, 4x4 with Shop Equipment, Contract Maintenance. Photo: Government Liquidation.com.

M1031 Truck, Chassis, Tactical, 1 1/4 Ton, 4x4 with Shop Equipment, Contract Maintenance.  Photo: Government Liquidation.com
M1031 Truck, Chassis, Tactical, 1 1/4 Ton, 4x4 with Shop Equipment, Contract Maintenance. Photo: Government Liquidation.com.

M1031 Truck, Chassis, Tactical, 1 1/4 Ton, 4x4 with Shop Equipment, Contract Maintenance.  Photo: Government Liquidation.com
M1031 Truck, Chassis, Tactical, 1 1/4 Ton, 4x4 with Shop Equipment, Contract Maintenance. Photo: Government Liquidation.com.

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