Valmet 6400 tractor

Valmet 6400

Power

93 hp

Production

1991-2003

Engine

SisuDiesel 420DS, 4-cylinder

Transmission

Two-speed power shift

Weight

8488 lbs [3850 kg]

Drive

2WD/4WD

From the same series:

6300
6600

Introduction

Valmet 6400 Row-Crop Tractor

The Valmet 6400 is a row-crop tractor produced between 1991 and 2003, designed to serve as a versatile utility machine for various agricultural operations. It is characterized by its robust SisuDiesel engine and modular transmission options.

Engine and Power

The tractor is powered by a 4.4-liter, 4-cylinder SisuDiesel 420DS turbocharged engine. It delivers a rated power of 93.8 hp (69.9 kW) at 2225 RPM, with a peak torque of 269.2 lb-ft (365.0 Nm) achieved at 1550 RPM. The engine utilizes a 16.5:1 compression ratio and liquid cooling to maintain thermal efficiency during heavy field work.

Transmission and Drivetrain

The 6400 offers two primary transmission configurations: a 24-speed two-speed power shift or a 36-speed Delta Powershift. Both options include a shuttle feature and a multi-range gear system, allowing the operator to select precise speeds for varying field conditions. The tractor is available in both two-wheel and four-wheel drive variants.

Hydraulics and Hitch

Equipped with a hydraulic pump flow of 18.5 gpm (70.0 lpm), the system provides sufficient capacity for standard hydraulic implements. The rear hitch is a Category II type, offering a lift capacity of 9700 lbs (4399 kg), which is suitable for handling a wide range of mounted equipment.

Operator Environment and Dimensions

The tractor features a standard cab with optional air conditioning to ensure operator comfort. Mechanical controls include power steering and wet disc brakes. With a wheelbase of 91.6 inches (232 cm) and a ground clearance of 17.1 inches (43 cm) at the rear axle, the machine maintains a balance between stability and maneuverability in row-crop environments.

Conclusion

The Valmet 6400 is a durable, multi-purpose tractor that fits well into mid-sized farming operations. Its combination of a reliable SisuDiesel powertrain, flexible transmission choices, and significant lift capacity makes it a capable machine for diverse agricultural tasks.

Production Information of Valmet, 6400

  • Row-Crop tractor
ManufacturerValmet

Dimension and Tires Information of Valmet, 6400

Clearance (front axle)16.9 inches [42 cm]
Wheelbase91.6 inches [232 cm]
Height (exhaust)107.9 inches [274 cm]
Height (cab)106.3 inches [270 cm]
Length177.7 inches [451 cm]
Clearance (rear axle)17.1 inches [43 cm]
2WD 9811 4WD} Weight8488 lbs [3850 kg]
Width89.8 inches [228 cm]
Ag front11.00-16
Ag front(optional)13.6R24 (4WD)
Ag rear16.9R34

Engine Specifications of Valmet, 6400

  • SisuDiesel 420DS
  • Liquid-cooled
  • Turbocharged diesel
  • 4-cylinder
Torque RPM1550
Displacement268.4 ci [4.4 L]
Compression16.5:1
Bore/Stroke4.25x4.72 inches [108 x 120 mm]
Starter volts12
StarterElectric
Torque269.2 lb-ft [365.0 Nm]
Rated RPM2225
Power93.8 hp [69.9 kW]

Transmission Information of Valmet, 6400

Transmission variants 1

TypeTwo-speed power shift
Gears24 forward and reverse

Transmission variants 2

  • Four gears in three ranges with three-speed power shift and shuttle.
TransmissionDelta Powershift
TypeThree-speed power shift
Gears36 forward and reverse
  • 24-speed two-speed power shift
  • 36-speed three-speed power shift

Mechanical Specs of Valmet, 6400

  • Two- or four-wheel drive
  • Cab standard with optional air-conditioning.
  • Power steering
  • Wet disc brakes

Power Information of Valmet, 6400

Rear PTOIndependent
Rear PTO(optional)1000@2080
Rear PTO Type540/1000
Engine RPM540@1874

Hydraulics Specifications of Valmet, 6400

Pump flow18.5 gpm [70.0 lpm]

Three-Point Hitch of Valmet, 6400

Rear TypeII
Rear lift9700 lbs [4399 kg]

Electrical System of Valmet, 6400

GroundNegative
Battery AH174
Battery volts12
Charging systemAlternator
Charging amps120

Where it sits

With 93 HP, the Valmet 6400 sits between 6300 (83 HP) and 6600 (103 HP) in Valmet's range. Its power puts it in the 63th percentile of 1990s models in our database (2097 machines).

Frequently asked questions

How much horsepower does the Valmet 6400 have?

The Valmet 6400 delivers 93 HP.

What years was the Valmet 6400 produced?

The Valmet 6400 was produced in 1991-2003.

What engine does the Valmet 6400 have?

The Valmet 6400 is powered by a SisuDiesel 420DS, 4-cylinder engine.

What transmission does the Valmet 6400 use?

The Valmet 6400 uses a Two-speed power shift transmission.

How much does the Valmet 6400 weigh?

The Valmet 6400 weighs 8488 lbs [3850 kg].

Is the Valmet 6400 4WD?

The Valmet 6400 is available in 2WD/4WD.

Compare the Valmet 6400 with another model