Valmet 8400
The Valmet 8400 is a tractor produced by Valmet. It is equipped with a 402.6 ci 6.6 L engine. The listed engine power is Diesel (listed): 138.1 hp / 103.0 kW. Transmission: Delta Powershift. Operating weight: 10740 lbs 4871 kg.
Engine Power
Diesel (listed): 138.1 hp / 103.0 kW
Fuel & Capacities
43.6 gal
165.0 L
Transmission
Delta Powershift
Operating Weight
10740 lbs
4871 kg
Overview
 | 1993 - 2004
Mezzo SeriesRow-Crop tractor
Mezzo Series
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | Valmet |
Row-Crop tractor | |
Valmet 8400 Engine | |
|---|---|
SisuDiesel 6.6L 6-cyl diesel | |
Fuel tank | 43.6 gal
165.0 L |
Engine details ...  | |
Valmet 8400 Transmission | |
|---|---|
36-speed three-speed power shift | |
Transmission details ...  |
Valmet 8400 Power | |
|---|---|
Engine | 138.1 hp
103.0 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering | |
Hydraulic wet disc brakes | |
Cab standard with available air-conditioning. |
Hydraulics | |
|---|---|
Pump flow | 18.5 gpm
70.0 lpm |
Tractor hitch | |
|---|---|
Rear lift | 12,350 lbs
5601 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 100 inches
254 cm |
Weight | 10740 lbs
4871 kg |
Front tire | 14.9R28 |
Rear tire | 18.4R38 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Battery volts | 12 |
References | |
|---|---|
 | |
6000-8400 published in 1994, by Valmet | |
6000-8400 published in 1995, by Valmet | |
M5 - Mezzo - Mega published in 1995, by Valmet |
Engine
Engine Detail — 402.6 ci / 6.6 L Diesel
Manufacturer | SisuDiesel 620DS |
Configuration | turbocharged diesel, 6-cylinder, liquid-cooled |
Displacement | 402.6 ci
6.6 L |
Bore/Stroke | 4.25x4.72 inches
108 x 120 mm |
Power | 138.1 hp
103.0 kW |
Compression | 16.5:1 |
Rated RPM | 2200 |
Torque | 383.5 lb-ft
520.0 Nm |
Torque RPM | 1400 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — Delta Powershift
Transmission | Delta Powershift |
Type | three-speed power shift |
Gears | 36 forward and reverse |
Dimensions
Valmet 8400 Tires | |
|---|---|
Ag front | 14.9R28 |
Ag rear | 18.4R38 |
Dimensions | |
|---|---|
Wheelbase | 100 inches
254 cm |
Length | 187 inches
474 cm |
Height | 109.1 inches
277 cm |
Weight | 10740 lbs
4871 kg |
Photos
Valmet 8400 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Valmet 8400 based on its 138.1 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙 | Commercial / Field Scale | Wide commercial field leveling; requires hydraulic remotes. |
Hay BalerHay & Forage | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
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 8400.
Estimated Continuous Field Runtime: 6.1 hrs
Approximately 6.1 hours of continuous field operation at ~75% rated power on a full tank (43.6 gal / 165 L).
Estimated 75% Load Fuel Burn~7.2 gal/hr (27.2 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 8400 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Valmet 8400.
Converted Equivalents:
Horsepower (HP)138.1 hp
Kilowatts (kW)103 kW
Metric Horsepower (PS / CV)140 PS
Direct Competitor Comparison
Compare Valmet 8400 against same-era industry alternatives in the same horsepower class.
Current Model
Valmet
Valmet 8400
Engine Power:Diesel (listed): 138.1 hp / 103.0 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 3488
Engine Power:124.4
Production Years:1981 - 1984
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