Introduction
Valmet 78 Row-Crop Tractor
The Valmet 78 is a row-crop tractor produced in Brazil between 1981 and 1987. As part of the 68 series, this two-wheel drive machine was designed for general agricultural operations, offering a power output of 72 horsepower.
Engine and Powertrain
The tractor is powered by an MWM D229 liquid-cooled, 4-cylinder diesel engine with a displacement of 3.9 liters (239.3 cubic inches). It features an oil bath air cleaner and an electric starter system. The transmission is a synchronized unit providing 6 forward and 2 reverse gears, allowing for controlled speed selection during field work.
Hydraulics and Hitch
The hydraulic system utilizes an open-center design with a pump flow capacity of 6.7 gpm (25.4 lpm) at a pressure of 2328 psi (160.5 bar). The rear hitch is a Category II type equipped with position and draft control, providing a lift capacity of 3307 lbs (1500 kg) to accommodate various implements.
Operator Station and Mechanical Features
The machine is configured with power steering to assist in maneuverability and mechanical dry disc brakes for stopping control. It includes a mechanical rear differential lock to improve traction. The operator station features a four-post Roll-Over Protective Structure (ROPS).
PTO and Dimensions
The independent rear PTO operates at 540 RPM, achieved at an engine speed of 1720 RPM. With a wheelbase of 86.4 inches and a total weight of 6525 lbs, the tractor is balanced for row-crop utility. It is fitted with standard agricultural tires, typically 7.50-16 on the front and 18.4-30 on the rear.
Conclusion
The Valmet 78 is a durable, utility-focused tractor well-suited for row-crop farming tasks. Its combination of a reliable MWM engine, synchronized transmission, and Category II hitch makes it a functional choice for farmers requiring a straightforward, mechanical platform for field applications.
Production Information of Valmet, 78
- Row-Crop tractor
- Built in Brazil
| Manufacturer | Valmet |
|---|
Dimension and Tires Information of Valmet, 78
| Front tread | 55.5 to 71.3 inches [140 to 181 cm] |
|---|---|
| Wheelbase | 86.4 inches [219 cm] |
| Weight | 6525 lbs [2959 kg] |
| Height (ROPS) | 99.2 inches [251 cm] |
| Length | 159.8 inches [405 cm] |
| Rear tread | 59.5 to 82.3 inches [151 to 209 cm] |
| Clearance (drawbar) | 18.1 inches [45 cm] |
| Width | 77.6 inches [197 cm] |
| Standard tires (ag) | Front: 7.50-16. Rear: 18.4-30 |
|---|
Engine Specifications of Valmet, 78
- MWM D229
- Liquid-cooled
- 4-cylinder
- Diesel
| Rated RPM | 2200 |
|---|---|
| Starter | Electric |
| Displacement | 239.3 ci [3.9 L] |
| Bore/Stroke | 4.01x4.72 inches [102 x 120 mm] |
| Air cleaner | Oil bath |
| Torque RPM | 1400 |
| Torque | 191.6 lb-ft [259.8 Nm] |
| Coolant capacity | 12.5 qts [11.8 L] |
| Oil capacity | 10 qts [9.5 L] |
| Starter volts | 12 |
Transmission Information of Valmet, 78
Transmission variants 1
| Type | Synchronized |
|---|---|
| Gears | 6 forward and 2 reverse |
Mechanical Specs of Valmet, 78
- Two-wheel drive
- Four-post ROPS.
- Mechanical dry disc brakes
- Power steering
| Differential lock | Mechanical rear |
|---|
Power Information of Valmet, 78
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 540@1720 |
Hydraulics Specifications of Valmet, 78
| Type | Open center |
|---|---|
| Pump flow | 6.7 gpm [25.4 lpm] |
| Capacity | 4.5 gal [17.0 L] |
| Pressure | 2328 psi [160.5 bar] |
Three-Point Hitch of Valmet, 78
| Rear Type | II |
|---|---|
| Control | Position and draft control |
| Rear lift | 3307 lbs [1500 kg] |
Electrical System of Valmet, 78
| Ground | Negative |
|---|---|
| Battery AH | 135 |
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 23 |
Where it sits
With 72 hp[P] HP, the Valmet 78 sits just above 68 (60 HP) in Valmet's range. Its power puts it in the 54th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the Valmet 78 have?
The Valmet 78 delivers 72 hp[P] HP.
What years was the Valmet 78 produced?
The Valmet 78 was produced in 1981-1987.
What engine does the Valmet 78 have?
The Valmet 78 is powered by a Diesel, 4-cylinder engine.
What transmission does the Valmet 78 use?
The Valmet 78 uses a Synchronized transmission.
How much does the Valmet 78 weigh?
The Valmet 78 weighs 6525 lbs [2959 kg].
Is the Valmet 78 4WD?
The Valmet 78 is available in 2WD.