Overview
The Valmet 665 is a utility farm tractor manufactured between 1992 and 1997, powered by a 4.4L 4-cylinder Valmet 420 DS diesel engine rated at 80 hp. This model was produced in both two-wheel and four-wheel drive configurations and includes a standard cab and a rear hitch lift capacity of 5,512 lbs.
Ideal Applications
Transmission Configuration:
The tractor is equipped with either an 8-speed synchromesh transmission or a 12-speed creeper option that provides additional forward and reverse gears across high and low ranges.
Chassis and Drive Specifications:
Drive-specific dimensions include a 94-inch wheelbase and 7,231-lb weight for 4WD models, compared to an 88.4-inch wheelbase and 6,900-lb weight for 2WD variants.
Mechanical and PTO Ratings:
The independent rear PTO is rated to achieve 540 RPM at 1890 engine RPM, supported by a hydraulic system with a pump flow of 10.3 gpm.
Production
| Description | Utility tractor |
|---|---|
| Manufacturer | Valmet |
Engine
| Engine type | Valmet 4.4L 4-cyl diesel |
|---|---|
| Fuel tank | 19.3 gal (73.1 L) |
| Bore/Stroke | 4.252x4.724 inches (108 x 120 mm) |
| Compression | 16.5:1 |
| Description | Valmet 420 DS / diesel / 4-cylinder / liquid-cooled |
| Displacement | 268.5 ci (4.4 L) |
| Power | 80 hp (59.7 kW) |
| Rated RPM | 2350 |
| Starter volts | 12 |
Transmission
| Description | Four gears (1-4) in two ranges (low/high) plus reverse range. / Creeper option adds an additional four speeds forward and reverse. |
|---|---|
| Gears | 8 forward and 4 reverse / 12 forward and 8 reverse |
| Type | synchromesh / creeper |
| Transmission type | 8-speed synchromesh / 12-speed creeper |
| Transmission type | 8-speed synchromesh / 12-speed creeper |
Mechanical
| Cab | Cab standard. |
|---|---|
| Description | Power steering / Wet disc brakes |
| Drive type | Two- or four-wheel drive |
Hydraulics
| Pump flow | 10.3 gpm (39.0 lpm) |
|---|
Hitch
| Rear lift | 5,512 lbs (2500 kg) |
|---|
PTO
| Engine RPM | 540@1890 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 45 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| 2WD Clearance (front axle) | 19.9 inches (50 cm) |
|---|---|
| 2WD Length | 151.2 inches (384 cm) |
| 2WD Weight | 6900 lbs (3129 kg) |
| 2WD Wheelbase | 88.4 inches (224 cm) |
| 2WD Width | 76.7 inches (194 cm) |
| 4WD Clearance (front axle) | 17.1 inches (43 cm) |
| 4WD Length | 157.5 inches (400 cm) |
| 4WD Weight | 7231 lbs (3279 kg) |
| 4WD Wheelbase | 94 inches (238 cm) |
| 4WD Width | 79.9 inches (202 cm) |
| 2WD Rear tire | 16.9R30 |
| 2WD Wheelbase | 88.4 inches (224 cm) |
| 4WD Wheelbase | 94 inches (238 cm) |
| Front tire | 10.00-16 |
| Weight | 6900 to 7231 pounds |
| 2WD Standard tires (ag) | Front: 10.00-16. Rear: 16.9R30 |
| 4WD Standard tires (ag) | Front: 12.4R24. Rear: 19.6R34 |
| Optional tires (ag) | Front: 11.2-24. Rear: 16.9-30 |
References
| Description | 55 Series published in 1993, by Valmet / 55 Series published in 1993, by Valmet / M5 - Mezzo - Mega published in 1995, by Valmet |
|---|
Speeds
| Description | With 16.9R30 rear tires. / With 16.9R30 rear tires. |
|---|
Valmet 665 Height
| 2WD Cab | 99 inches (251 cm) |
|---|---|
| 2WD Exhaust | 103.5 inches (262 cm) |
| 4WD Cab | 100.4 inches (255 cm) |
| 4WD Exhaust | 100.6 inches (255 cm) |