Valmet 665
The Valmet 665 is a tractor produced by Valmet. It is equipped with a 268.5 ci 4.4 L engine. The listed engine power is Diesel (listed): 80 hp / 59.7 kW. Transmission: 12 forward and 8 reverse. Operating weight: 6900 to 7231 pounds.
Engine Power
Diesel (listed): 80 hp / 59.7 kW
Fuel & Capacities
19.3 gal
73.1 L
Transmission
12 forward and 8 reverse
Operating Weight
6900 to 7231 pounds
Overview
 | 1992 - 1997
65 SeriesUtility tractor
65 Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Valmet |
Utility tractor | |
Valmet 665 Engine | |
|---|---|
Valmet 4.4L 4-cyl diesel | |
Fuel tank | 19.3 gal
73.1 L |
Engine details ...  | |
Valmet 665 Power | |
|---|---|
Engine | 80 hp
59.7 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Power steering | |
Wet disc brakes | |
Cab standard. |
Hydraulics | |
|---|---|
Pump flow | 10.3 gpm
39.0 lpm |
Tractor hitch | |
|---|---|
Rear lift | 5,512 lbs
2500 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@1890 |
Dimensions & Tires | |
|---|---|
2WD Wheelbase | 88.4 inches
224 cm |
4WD Wheelbase | 94 inches
238 cm |
Weight | 6900 to 7231 pounds |
Front tire | 10.00-16 |
2WD Rear tire | 16.9R30 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 45 |
Battery volts | 12 |
References | |
|---|---|
 | |
55 Series published in 1993, by Valmet | |
M5 - Mezzo - Mega published in 1995, by Valmet |
Engine
Engine Detail — 268.5 ci / 4.4 L Diesel
Manufacturer | Valmet 420 DS |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 268.5 ci
4.4 L |
Bore/Stroke | 4.252x4.724 inches
108 x 120 mm |
Power | 80 hp
59.7 kW |
Compression | 16.5:1 |
Rated RPM | 2350 |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
8-speed synchromesh | |
12-speed creeper |
Transmission — 8 forward and 4 reverse synchromesh
Type | synchromesh |
Gears | 8 forward and 4 reverse |
Four gears (1-4) in two ranges (low/high) plus reverse range. | |
With 16.9R30 rear tires. | |
 | |
Transmission — 12 forward and 8 reverse creeper
Type | creeper |
Gears | 12 forward and 8 reverse |
Creeper option adds an additional four speeds forward and reverse. | |
With 16.9R30 rear tires. | |
 | |
Dimensions
Valmet 665 Tires | |
|---|---|
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 |
Front: 11.2-24. Rear: 13.6-36 | |
Front: 11.2R24. Rear: 13.6R36 | |
Front: 11.2R24. Rear: 16.9R30 | |
Front: 12.4-24. Rear: 16.9-34 | |
Front: 12.4R24. Rear: 18.4R30 | |
Front: 12.4R24. Rear: 16.9R34 | |
Front: 12.4R24. Rear: 13.6R38 | |
Dimensions | |
|---|---|
2WD Wheelbase | 88.4 inches
224 cm |
4WD Wheelbase | 94 inches
238 cm |
2WD Length | 151.2 inches
384 cm |
4WD Length | 157.5 inches
400 cm |
2WD Width | 76.7 inches
194 cm |
4WD Width | 79.9 inches
202 cm |
2WD Weight | 6900 lbs
3129 kg |
4WD Weight | 7231 lbs
3279 kg |
2WD Clearance (front axle) | 19.9 inches
50 cm |
4WD Clearance (front axle) | 17.1 inches
43 cm |
Valmet 665 Height | |
|---|---|
2WD Cab | 99 inches
251 cm |
4WD Cab | 100.4 inches
255 cm |
2WD Exhaust | 103.5 inches
262 cm |
4WD Exhaust | 100.6 inches
255 cm |
Photos
Valmet 665-4, left side.
Valmet 665-4, right side.
Recommended Implements & Sizing Guide
Engineering recommendations for Valmet 665 based on its 80 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
Rotary Cutter / MowerMowing & Clearing | 7 to 8 ft (84-96 in)2.1 - 2.4 m | Heavy Duty | Heavy-duty twin spindle cutter for overgrown acreage. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机 | Heavy Duty | Silage and dry hay; 540 RPM PTO with slip-clutch. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Valmet 665.
Estimated Continuous Field Runtime: 4.6 hrs
Approximately 4.6 hours of continuous field operation at ~75% rated power on a full tank (19.3 gal / 73.1 L).
Estimated 75% Load Fuel Burn~4.2 gal/hr (15.7 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Valmet 665 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Valmet 665.
Converted Equivalents:
Horsepower (HP)80 hp
Kilowatts (kW)59.7 kW
Metric Horsepower (PS / CV)81.1 PS
Direct Competitor Comparison
Compare Valmet 665 against same-era industry alternatives in the same horsepower class.
Current Model
Valmet
Valmet 665
Engine Power:Diesel (listed): 80 hp / 59.7 kW
★ Baseline Reference
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