The Allis Chalmers 5040 is a 2WD utility tractor manufactured by UTB/Universal for Allis Chalmers in Brasov, Romania from 1976 to 1980. The Allis Chalmers 5040 is equipped with a 2.3 L (142.8 cu·in) three-cylinder diesel engine and one of three transmissions: a partially synchronized transmission with dry disc clutch and 6 forward and 2 reverse gears, a partially synchronized transmission with dry disc clutch and 8 forward and 2 reverse gears or a creeper with 12 forward and 3 reverse gears.
The Allis Chalmers 5040 utility tractor used the Uzina engine. It is a 2.3 L, 2,340 cm2, (142.8 cu·in) three-cylinder natural aspirated diesel engine with 95.0 mm (3.74 in) of the cylinder bore and 100.0 mm (3.94 in) of the piston stroke. The compression ratio rating is 17.0:1. This engine produced 40.5 PS (29.8 kW; 40.0 HP) of PTO output power.
The Allis Chalmers 5040 is equipped with power steering, mechanical band brakes, open operator station or ROPS (optional) and 53.9 liters (14.2 US gal.; 11.9 Imp. gal) fuel tank.
Allis Chalmers 5040 Specifications
| General Specifications | |
| Model | Allis Chalmers 5040 |
| Length | 2,940 mm (115.7 in) |
| Width | 1,540 mm (60.6 in) |
| Height | 1,940 mm (76.4 in) |
| Wheel base | 1,880 mm (74 in) |
| Weight | 1,750 kg (3,858 lbs) |
| Fuel tank capacity | 53.9 liters (14.2 US gal.; 11.9 Imp. gal) |
| Battery | 12V |
| Cabin type | Open operator station or ROPS (optional) |
| Engine | |
| Engine model | Uzina |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 3 |
| Fuel type | Diesel |
| Displacement | 2.3 L, 2,340 cm2, (142.8 cu·in) |
| Bore and stroke | 95.0 mm X 100.0 mm (3.74 in X 3.94 in) |
| Compression ratio | 17.0:1 |
| Horsepower | 40.5 PS (29.8 kW; 40.0 HP) |
| Starter | Electric |
| Oil capacity: | 7.9 L (8.3 US. qt, 7 Imp. qt.) |
| Coolant capacity: | 13.2 L (13.9 US. qt, 11.6 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Power |
| Brakes | Mechanical band |
| Differential lock | Mechanical rear |
| Transmission model | – |
| Transmission type | Partially synchronized with dry disc clutch |
| Gears | 6 forward and 2 reverse |
| Speed | Forward: 24.5 kmh (15.2 mph) Reverse: 12.6 (7.8 mph) |
| Transmission oil capacity | 18.0 L (4.8 US. gal, 4 Imp. gal.) |
| Transmission model | – |
| Transmission type | Partially synchronized with dry disc clutch |
| Gears | 8 forward and 2 reverse |
| Speed | Forward: 24.3 kmh (15.1 mph) Reverse: 12.2 (7.6 mph) |
| Transmission oil capacity | 18.0 L (4.8 US. gal, 4 Imp. gal.) |
| Transmission model | – |
| Transmission type | Creeper |
| Gears | 12 forward and 3 reverse |
| Tires | |
| Front tires | Ag: 6.00-16 |
| Rear tires | Ag: 13.6-28 |
| Three-Point Hitch | |
| Caterogy | II/I |
| Control type | Position control and top-link draft sensing |
| Lift capacity (at ends) | 1,199 kg (2,644 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Continuous or independent |
| Rear PTO speed | 540 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Hydraulic capacity | 18.0 L (19.02 US. qt, 15.84 Imp. qt.) |
| Valves | 1 |

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