Simpson Jumbo B

Simpson Jumbo B Production

Manufacturer: Simpson Jumbo

Factory: Azusa, California, USA

Years Built: 1947 – 1949

Simpson Jumbo B Engine

Chrysler 5A, gasoline, 6-cylinder, liquid-cooled, 217.8 ci [3.6 L]

Power: 28 hp [20.9 kW]

Drawbar: 16.44 hp [12.3 kW]

Bore: 3.25×4.3758 inches [83 x 111 mm]

Air Cleaner: dual element

Compression: 6.6:1

Rated RPM: 3600

Starter volts: 12

Simpson Jumbo B Transmission

Transmission: Sunstrand 15

Gears: 5 forward and 1 reverse

Speeds: 

Simpson Jumbo B Dimensions

Wheelbase: 51 inches [129 cm]

Weight: 873 to 1108 pounds

Simpson Jumbo B Mechanical

Chassis: 4×2 2WD

Steering: manual

Brakes: mechanical drum

Cab: Open operator station.

Simpson Jumbo B Hydraulics

HydraulicsType: gear pump

HydraulicsValves: 1

HydraulicsPumpFlow: 5.3 gpm [20.1 lpm]