Introduction
Valmet 455 Utility Tractor
The Valmet 455 is a utility tractor produced between 1989 and 1994, designed to provide consistent performance for general agricultural tasks. It is part of the Valmet series and was configured as a reliable, versatile machine for mid-sized farm operations.
Engine and Performance
The tractor is powered by a liquid-cooled Valmet TD33DS4 turbocharged diesel engine. This 3-cylinder unit has a displacement of 3.3 liters (201.4 cubic inches) and produces 67 hp (50.0 kW) at a rated engine speed of 2350 RPM. It features an intake air heater for cold-start assistance and delivers 177 lb-ft (240.0 Nm) of torque at 1450 RPM.
Transmission and Drivetrain
The 455 features a synchromesh transmission system available in two configurations: a standard 8-speed forward and 4-speed reverse gearbox, or an optional 12-speed creeper transmission that adds four additional gears for precision-speed tasks. Both configurations utilize a 280mm dry disc clutch. The tractor offers both two-wheel and four-wheel drive options, supported by power steering and wet disc brakes for operator control.
Hydraulics and PTO
The hydraulic system provides a pump flow of 10.3 gpm (39.0 lpm), supplying sufficient power for standard implements. The rear power take-off (PTO) is independent, operating at 540 RPM at a rated engine speed of 1890 RPM. The rear three-point hitch has a lifting capacity of 5,512 lbs (2500 kg), allowing for the handling of a variety of agricultural attachments.
Dimensions and Configuration
The machine is equipped with a standard cab for operator protection. Depending on the drivetrain, the wheelbase measures 83.2 inches (211 cm) for the 2WD model and 88.8 inches (225 cm) for the 4WD model. Various agricultural tire configurations are available, with standard 4WD setups typically utilizing 11.2-24 front and 16.9-30 rear tires.
Conclusion
The Valmet 455 is a robust utility tractor suited for farmers and operators requiring a balance of power and maneuverability. Its combination of a turbocharged engine, flexible transmission options, and substantial lift capacity makes it a capable machine for general field work and implement management.
Production Information of Valmet, 455
- Utility tractor
| Manufacturer | Valmet |
|---|
Dimension and Tires Information of Valmet, 455
| 4WD Clearance (front axle) | 16 inches [40 cm] |
|---|---|
| 2WD Wheelbase | 83.2 inches [211 cm] |
| Width | 79.9 inches [202 cm] |
| 4WD Length | 151.6 inches [385 cm] |
| 4WD Wheelbase | 88.8 inches [225 cm] |
| 2WD Clearance (front axle) | 19.9 inches [50 cm] |
| 2WD Length | 146.1 inches [371 cm] |
| 2WD Standard tires (ag) | Front: 10.00-16. Rear: 16.9-30 |
|---|---|
| 4WD Optional tires (ag) | Front: 11.2R24. Rear: 13.6R36 |
| 4WD Optional tires (ag) | Front: 11.2-24. Rear: 13.6-36 |
| 4WD Standard tires (ag) | Front: 11.2-24. Rear: 16.9-30 |
| 4WD Optional tires (ag) | Front: 11.2-24. Rear: 16.9-30 |
Engine Specifications of Valmet, 455
- Valmet TD33DS4
- Liquid-cooled
- 3-cylinder
- Turbocharged diesel
| Air cleaner | Dry |
|---|---|
| Rated RPM | 2350 |
| Displacement | 201.4 ci [3.3 L] |
| Bore/Stroke | 4.252x4.724 inches [108 x 120 mm] |
| Power | 67 hp [50.0 kW] |
| Compression | 16:1 |
| Pre-heating | Intake air heater |
| Starter volts | 12 |
| Torque RPM | 1450 |
| Torque | 177 lb-ft [240.0 Nm] |
Transmission Information of Valmet, 455
Transmission variants 1
- Four gears (1-4) in two ranges (low/high) plus reverse range.
| Type | Synchromesh |
|---|---|
| Gears | 8 forward and 4 reverse |
| Clutch | 280mm dry disc |
Transmission variants 2
- Creeper range provides an additional four gears forward and reverse.
| Type | Creeper |
|---|---|
| Gears | 12 forward and 8 reverse |
| Clutch | 280mm dry disc |
- 8-speed synchromesh
- 12-speed creeper
Mechanical Specs of Valmet, 455
- Two- or four-wheel drive
- Cab standard.
- Wet disc brakes
- Power steering
| Differential lock | Mechanical rear |
|---|
Power Information of Valmet, 455
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 540@1890 |
Hydraulics Specifications of Valmet, 455
| Pump flow | 10.3 gpm [39.0 lpm] |
|---|
Three-Point Hitch of Valmet, 455
| Rear lift | 5,512 lbs [2500 kg] |
|---|
Electrical System of Valmet, 455
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 45 |
Where it sits
With 67 HP, the Valmet 455 sits between 355 (61 HP) and 465 (70 HP) in Valmet's range. Its power puts it in the 48th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the Valmet 455 have?
The Valmet 455 delivers 67 HP.
What years was the Valmet 455 produced?
The Valmet 455 was produced in 1989-1994.
What engine does the Valmet 455 have?
The Valmet 455 is powered by a Turbocharged diesel, 3-cylinder engine.
What transmission does the Valmet 455 use?
The Valmet 455 uses a Synchromesh transmission.
Is the Valmet 455 4WD?
The Valmet 455 is available in 2WD/4WD.