• 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

Illustration of the 1993–2004 VALMET 8400, a 138 hp farm tractor, a drawing generated from its specification record
Illustration — not a photograph

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.

Engine, claimed (gross/net not stated)
138.1 hp

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.

Engine — 8400 engine specifications
Make & modelValmet 620 DS
Cylinders6, liquid-cooledSource 2
Displacement402.6 ci · 6.60 L
Aspirationsupercharged
Max torque384 lb·ft · 520 N·m @ 1,550 rpmSource 2
InjectionDirect injectionSource 2
Electrical system12 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.

Hydraulics & PTO — 8400 hydraulics and PTO specifications
Pump flow19.3 gpm · 73.2 L/min
Pressure2,031–2,248 psi · 140–155 bar
Hitch categoryCategory 3
Lift at ends15,576 lb · 7,065 kg
Rear PTO540/1000 rpm @ 1,874 engine rpm
PTO shaft1 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.

Transmission — 8400 transmission specifications
ClutchPedal operated dry Fichtel & Sachs single plate clutch
Top speed18.6–24.9 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.

Weights & dimensions — 8400 weights and dimensions
Unladen weight11,111 lb · 5,040 kg
Maximum permissible mass19,842 lb · 9,000 kg
Maximum front axle load9,921 lb · 4,500 kg
Maximum rear axle load17,637 lb · 8,000 kg
Wheelbase100.7 in · 2,558 mm
Length190.7 in · 4,844 mm
Width90.5 in · 2,298 mm
Height109.8 in · 2,790 mm
Ground clearance20.1 in · 510 mm
Front track59.6–77.6 in · 1,515–1,970 mm
Rear track63.4–83.3 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.

8400 fluid capacities, grades and service intervals
SystemCapacity
Engine oil20.1 qt · 19.0 LSource: Traktorenlexikon, “Valmet 8400” · single source, not independently verified
Transmission & hydraulic45.4 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.

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 checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: Massey Ferguson MF 3670 — CC BY-SA 4.0, WIKIBOOKS-TL-87099 · revision 1066530. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Valmet 8400 — CC BY-SA 4.0, WIKIBOOKS-TL-116493 · revision 999858. Wikibooks contributors (Traktorenlexikon). Original document