Overview
The Ursus 904 is a four-wheel drive row-crop tractor produced between 1983 and 1985, powered by a 4.6L 4-cylinder diesel engine rated at 85 hp. It features a 16-speed transmission with 16 forward and 8 reverse gears, along with a dual-speed 540/1000 RPM rear PTO. The unit is equipped with hydraulic power steering, hydraulic brakes, and a rear hitch with a 6,725-lb lift capacity.
Ideal Applications
Transmission Configuration:
The mechanical drive system utilizes a 16-speed transmission providing 16 forward and 8 reverse gears.
Engine and Power Output:
The 4.6L liquid-cooled diesel engine is rated at 85 hp at 2200 RPM and features a 17:1 compression ratio.
Hydraulic and Hitch Specifications:
The Ursomatic hydraulic system delivers a pump flow of 10.8 gpm and supports a 6,725-lb rear lift capacity through position control and draft sensing.
Production
| Description | Row-Crop tractor |
|---|---|
| Manufacturer | Ursus |
Engine
| Engine type | Ursus 4.6L 4-cyl diesel |
|---|---|
| Fuel tank | 23.8 gal (90.1 L) |
| Bore/Stroke | 4.331x4.724 inches (110 x 120 mm) |
| Compression | 17:1 |
| Description | Ursus / diesel / 4-cylinder / liquid-cooled |
| Displacement | 278.4 ci (4.6 L) |
| Power | 85 hp (63.4 kW) |
| Rated RPM | 2200 |
| Starter volts | 12 |
Transmission
| Gears | 16 forward and 8 reverse |
|---|---|
| Transmission type | 16-speed |
Mechanical
| Description | Hydraulic brakes |
|---|---|
| Drive type | Four-wheel drive |
| Steering | hydraulic power |
Hydraulics
| Pump flow | 10.8 gpm (40.9 lpm) |
|---|---|
| Type | Ursomatic |
Hitch
| Control | position control and draft sensing |
|---|---|
| Rear lift | 6,725 lbs (3050 kg) |
PTO
| Rear PTO Type | 540/1000 |
|---|
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| Ground clearance | 15.8 inches (40 cm) |
|---|---|
| Height | 100.5 inches (255 cm) |
| Length | 156 inches (396 cm) |
| Weight | 9,702 lbs (4400 kg) |
| Wheelbase | 94 inches (238 cm) |
| Width | 76 inches (193 cm) |
| Front tire | 12.4-24 |
| Rear tire | 18.4-34 |
| Weight | 9,702 lbs (4400 kg) |
| Wheelbase | 94 inches (238 cm) |
| Ag front | 12.4-24 |
| Ag rear | 18.4-34 |