- Rigid chassis
- WhichTractor size: Standard-size
- No lab test on file
- 1993–2004
WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
VALMET 8400 specs: hp, weight, years
Valmet 620 DS six-cylinder diesel. The manufacturer claimed 138.1 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
138.1 hp
103.0 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “Valmet 8400”, claimed
This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.
- Weight
- 11,111 lb
- 3-point lift
- 15,576 lb
- Hyd. flow
- 19.3 gpm
- Top speed
- 18.6–24.9 mph
VALMET 8400 specs: key facts
The VALMET 8400 was built from 1993 to 2004.
The VALMET 8400 has a claimed engine power (gross or net not stated) of 103.0 kW (138.1 hp); it has no measured PTO figure.
The VALMET 8400 is four-wheel drive (4WD).
The VALMET 8400 has a Valmet 620 DS engine, a 6-cylinder 6.60 L diesel unit.Source 1
The VALMET 8400 weighs 5,040 kg (11,111 lb) unladen.
The VALMET 8400 has a rear PTO running at 540/1000 rpm.
The three-point hitch of the VALMET 8400 lifts 7,065 kg (15,576 lb) at the lower-link ends.
The hydraulic pump of the VALMET 8400 delivers 73.2 L/min (19.3 gpm).
Source · Traktorenlexikon, “Valmet 8400”
How does the 8400 compare with its class?
- Limitation:
A 165 L fuel tank is low for its class — 31% below the median of 240 L across the 225 machines within 10% of its power that hold this figure.
Derived by WhichTractor from 235 comparable records. How we work this out

How much horsepower does an 8400 have?
The only figure for the 8400 is 138.1 hp (103.0 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “Valmet 8400”
What engine is in an 8400?
An 8400 has a Valmet 620 DS, a 6-cylinder 6.60 L diesel engine.
| Make & model | Valmet 620 DS |
|---|---|
| Cylinders | 6, liquid-cooledSource 2 |
| Displacement | 402.6 ci · 6.60 L |
| Aspiration | supercharged |
| Max torque | 384 lb·ft · 520 N·m @ 1,550 rpmSource 2 |
| Injection | Direct injectionSource 2 |
| Electrical system | 12 VSource 2 |
Source · Traktorenlexikon, “Massey Ferguson MF 3670”
How much will an 8400 lift, and what is its hydraulic flow?
An 8400 lifts 15,576 lb (7,065 kg) at the lower-link ends of its Category 3 three-point hitch.
| Pump flow | 19.3 gpm · 73.2 L/min |
|---|---|
| Pressure | 2,031–2,248 psi · 140–155 bar |
| Hitch category | Category 3 |
| Lift at ends | 15,576 lb · 7,065 kg |
| Rear PTO | 540/1000 rpm @ 1,874 engine rpm |
| PTO shaft | 1 3/8"- 6 splines and 1 3/8"- 21 part |
Source · Traktorenlexikon, “Valmet 8400”
What transmission does an 8400 have?
Transmission specifications for the 8400 are below.
| Clutch | Pedal operated dry Fichtel & Sachs single plate clutch |
|---|---|
| Top speed | 18.6–24.9 mph · 30–40 km/hthe article lists alternatives |
Source · Traktorenlexikon, “Valmet 8400”
How much does an 8400 weigh?
An 8400 weighs 11,111 lb (5,040 kg) unladen.
| Unladen weight | 11,111 lb · 5,040 kg |
|---|---|
| Maximum permissible mass | 19,842 lb · 9,000 kg |
| Maximum front axle load | 9,921 lb · 4,500 kg |
| Maximum rear axle load | 17,637 lb · 8,000 kg |
| Wheelbase | 100.7 in · 2,558 mm |
| Length | 190.7 in · 4,844 mm |
| Width | 90.5 in · 2,298 mm |
| Height | 109.8 in · 2,790 mm |
| Ground clearance | 20.1 in · 510 mm |
| Front track | 59.6–77.6 in · 1,515–1,970 mm |
| Rear track | 63.4–83.3 in · 1,610–2,115 mm |
Source · Traktorenlexikon, “Valmet 8400”
What oil does an 8400 take, and how much?
An 8400 engine takes 20.1 qt (19.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 20.1 qt · 19.0 LSource: Traktorenlexikon, “Valmet 8400” · single source, not independently verified |
| Transmission & hydraulic | 45.4 qt · 43.0 LSource: Traktorenlexikon, “Valmet 8400” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with an 8400?
Within 10% of its 138.1 hp of claimed engine power, the same type, and first built within 15 years of it.
- Fiat F-140 DT138 hp engine, claimed · 1993–1996Side by side with the 8400 →
- VALMET 8450138 hp engine, claimed · 1995–2001Side by side with the 8400 →
- Fendt Favorit 714 Vario138 hp engine, claimed · from 1998Side by side with the 8400 →
- VALMET 8450 HiTech138 hp engine, claimed · 1998–2003Side by side with the 8400 →
- AGRIFULL A-140 DT Turbo138 hp engine, claimed · 1987–1991Side by side with the 8400 →
- New Holland TM 150138 hp engine, claimed · 1999–2002Side by side with the 8400 →
Common questions about the VALMET 8400
Is an 8400 two-wheel drive or four-wheel drive?
The VALMET 8400 is four-wheel drive (4WD).
What PTO does an 8400 have?
An 8400 has a 540/1000 rpm rear PTO on a 1 3/8"- 6 splines and 1 3/8"- 21 part shaft.
Sources and how this page was built
Compiled from Traktorenlexikon, “Valmet 8400”; and Traktorenlexikon, “Massey Ferguson MF 3670”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: Massey Ferguson MF 3670 — CC BY-SA 4.0, WIKIBOOKS-TL-87099 · revision 1066530. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: Valmet 8400 — CC BY-SA 4.0, WIKIBOOKS-TL-116493 · revision 999858. Wikibooks contributors (Traktorenlexikon). Original document