UTB/Universal
643
Farm tractor · 1988–2004 · 64 hp
UTB/Universal643
The UTB/Universal 643 is a farm tractor manufactured from 1988 to 2004. It features a UTB D121.050 engine, and power steering. The transmission is a constant mesh type with 8 forward and 2 reverse.
Engine
| Engine | UTB D121.050 |
|---|---|
| Fuel Type | diesel |
| Cylinders | 4 |
| Cooling | liquid-cooled |
| Displacement | 219.4 ci (3.6 L) |
| Bore | 4.02 in (102 mm) |
| Stroke | 4.33 in (110 mm) |
| Compression Ratio | 17 |
| Power Gross | 64 hp (47.7 kW) |
| Power Rated | 64 hp (47.7 kW) |
| Power PTO | 58 hp (43.3 kW) |
| Torque Peak | 152 lb-ft (206.1 Nm) |
| Torque Peak | 1,400 RPM |
| Air Cleaner | oil bath |
| Fuel System | direct injection |
| Starter Volts | 12 |
| Oil Capacity | 10.6 qts (10 L) |
| Coolant Capacity | 14.8 qts (14 L) |
| Manufacturer | UTB |
| Rated | 2,400 RPM |
Transmission
| Transmission Type | constant mesh |
|---|---|
| Gears | 8 forward and 2 reverse |
| Clutch | dry disc |
| Oil Capacity | 24.3 qts (23 L) |
| Available Options | 8-speed constant mesh, 12-speed creeper, 8-speed shuttle |
Hydraulics
| Type | open center |
|---|---|
| Pump Flow | 9 gpm (34.1 lpm) |
| Pressure | 2,175 psi (150 bar) |
| Valves | 1 |
Hitch
| Rear Type | II |
|---|---|
| Rear Lift | 4,630 lbs (2,100 kg) |
| Hitch Control | position and draft control |
Dimensions
| Length | 149.2 in (378 cm) |
|---|---|
| Height | 100.4 in (255 cm) |
| Wheelbase | 89.4 in (227 cm) |
| Front Tread | 55.1 in (139 cm) |
| Rear Tread | 55.5 in (140 cm) |
Weight
| Weight | 6,192 lbs (2,808 kg) |
|---|
Tires & Tracks
| Front Ag | 6.00-16 |
|---|---|
| Rear Ag | 14.9R-28 |
Fuel
| Capacity | 16.4 gal (62.1 L) |
|---|
Steering
| Type | power |
|---|