Overview
The Volvo T31 is a standard-tread farm tractor manufactured between 1949 and 1957. It is powered by a 3.5L four-cylinder kerosene engine rated at 36 hp at 1500 RPM and features a five-speed gear transmission. This two-wheel drive model includes an open operator station, manual steering, and a rear PTO capable of 540 RPM at the rated engine speed.
Ideal Applications
Engine and Fuel Specifications:
The liquid-cooled 3.5L engine is designed for kerosene fuel with a 15.9-gallon main tank and a 1-gallon auxiliary tank, utilizing a 6-volt starter system.
Weight and Ballast Configuration:
The tractor has an unballasted weight of 5060 lbs and a ballasted weight of 7584 lbs, supported by 6.00-19 front and 13-30 rear agricultural tires.
Transmission and PTO Layout:
Equipped with a five-speed gear transmission offering five forward and one reverse gear, the T31 features a 1.375-inch rear PTO rated for 540 RPM.
Production
| Description | Standard-tread tractor |
|---|---|
| Manufacturer | Volvo |
Engine
| Aux. fuel | 1 gal (3.8 L) |
|---|---|
| Engine type | Volvo 3.5L 4-cyl kerosene |
| Fuel tank | 15.9 gal (60.2 L) |
| Bore/Stroke | 3.94x4.33 inches (100 x 110 mm) |
| Description | Volvo D4F / kerosene / 4-cylinder / liquid-cooled |
| Displacement | 211.1 ci (3.5 L) |
| Power | 36 hp (26.8 kW) |
| Rated RPM | 1500 |
| Starter volts | 6 |
Transmission
| Gears | 5 forward and 1 reverse |
|---|---|
| Transmission type | 5-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two-wheel drive |
PTO
| Engine RPM | 540@1500 |
|---|---|
| Rear PTO Type | 540 (1.375) |
Dimensions & Tires
| Ballasted weight | 7584 lbs (3440 kg) |
|---|---|
| Front tread | 49.6/56.9 inches (125/144 cm) |
| Ground clearance | 16.5 inches (41 cm) |
| Length | 122.6 inches (311 cm) |
| Rear tread | 56.7 to 76.4 inches (144 to 194 cm) |
| Weight | 5060 lbs (2295 kg) |
| Wheelbase | 77.2 inches (196 cm) |
| Width | 72.4 inches*Width at minimum tread. (183 cm) |
| Front tire | 6.00-19 |
| Rear tire | 13-30 |
| Weight | 5060 lbs (2295 kg) |
| Wheelbase | 77.2 inches (196 cm) |
| Ag front | 6.00-19 |
| Ag rear | 13-30 |
References
| Description | Volvo T31 published in 1953 |
|---|
Variants
| T31 | kerosene standard |
|---|---|
| T32 | gasoline standard |
| T33 | kerosene row-crop |
| T34 | gasoline row-crop |
Volvo T31 Height
| Exhaust | 82.7 inches (210 cm) |
|---|---|
| Hood | 61.4 inches (155 cm) |
| Steering wheel | 71.7 inches (182 cm) |