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Tractor · 1985Unverified

Deutz-Fahr DX 3.90

Name: Deutz-Fahr DX 3.90
Brand: Deutz-Fahr

Deutz-Fahr DX 3.90 — DX 3 Series · 75 hp. Reference specifications; pending source verification.

The Deutz-Fahr DX 3.90 is a tractor with a rated power of 75 hp, positioned within the mid-range of its class. It was manufactured between 1985 and 1989. The DX 3.90 features a 4-cylinder diesel air-cooled engine and four-wheel drive with a powershift transmission. Its operating weight ranges from 6922 to 8333 pounds, supporting operations on up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

75 hp

Weight

6922 to 8333 pounds

Catalogue coverage

Variants represented

Richest spec table

67 rows

Recorded power

75 hp

Transmissions

12-speed partially synchronized

Production years

1985-1989

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerDeutz-FahrReference

Utility tractorReference

Built in GermanyReference

Two- or four-wheel driveReference

Differential lockmechanical rearReference

Power steeringReference

Hydraulic drum brakesReference

Four-post ROPS with canopy. StarCab optional.Reference

Engine

Deutz 4.1L 4-cyl dieselReference

Engine55.9 kWReference

Deutz F4L 913Reference

dieselReference

4-cylinderReference

air-cooledReference

Displacement4.1 LReference

Bore/Stroke100 x 123 mmReference

Power55.9 kWReference

Rated RPM2350Reference

Oil capacity9.9 LReference

Transmission

12-speed partially synchronizedReference

24-speed two-speed power shiftReference

Typepartially synchronizedReference

Gears12 forward and 4 reverseReference

Clutchdry discReference

Oil capacity37.0 LReference

Four synchronized gears (1-4) in three ranges (creeper/low/high) plus reverse range.Reference

TransmissionDual-SplitReference

Typetwo-speed power shiftReference

Gears24 forward and 8 reverseReference

Dual-split adds a two-speed high/low shift to the basic transmission. Four gears in three forward ranges and one reverse range.Reference

Capacities

ROPS Fuel87.1 LReference

Cab Fuel85.2 LReference

PTO & Hydraulics

Hydraulic system15.1 LReference

Hydraulic system28.4 LReference

Typeopen centerReference

Capacity15.1 LReference

Capacity28.4 LReference

Pressure175.0 barReference

Rear valves1 to 3Reference

Front valves2Reference

Pump flow67.0 lpmReference

Rear TypeIIReference

Controlposition and draft controlReference

Rear lift3299 kgReference

Front HitchIIReference

Rear PTOindependentReference

Rear PTO Type540 (1.375)Reference

Front PTOindependentReference

Clutchdry discReference

Front PTO Type1000Reference

Dimensions

2WD Wheelbase232 cmReference

4WD Wheelbase238 cmReference

Weight6922 to 8333 poundsReference

Front tire10.00x16Reference

2WD Rear tire18.4x30Reference

2WD Standard tires (ag)Front: 10.00x16. Rear: 18.4x30Reference

4WD Standard tires (ag)Front: 12.4x24. Rear: 18.4x30Reference

2WD Optional tires (ag)Front: 11.00x16. Rear: 16.9x34Reference

Length401 cmReference

Width209 cmReference

Height (ROPS)247 cmReference

Height (cab)257 cmReference

Rear tread149 to 200 cmReference

2WD ROPS3139 kgReference

2WD Cab3549 kgReference

4WD ROPS3369 kgReference

4WD Cab3779 kgReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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