Tractorpedia.com

Deutz-Fahr DX 3.90

Deutz-Fahr DX 3.90 tractor
View Images
The Deutz-Fahr DX 3.90 is a utility tractor produced from 1985 to 1989 in Germany as part of the DX 3 Series. It features a 4.1L air-cooled 4-cylinder Deutz diesel engine producing 75 hp (55.9 kW). Transmission options include a 12-speed partially synchronized and a 24-speed two-speed power shift. The tractor offers two- or four-wheel drive, mechanical rear differential lock, power steering, and hydraulic drum brakes. It has a four-post ROPS with canopy and an optional StarCab. Fuel capacity varies between ROPS and cab versions, and the hydraulic system has an open center design with optional capacity. The tractor hitch is category II with position and draft control, and the PTO includes independent rear and optional front PTOs. Dimensions and weights vary by configuration, with multiple tire options available.
Deutz-FahrDX 3.90utility tractorspecificationsenginetransmissiondimensionshydraulicsPTO4.1L diesel
Power75 hp
Founded1985 - 1989
ModelDX 3.90

Technical Specifications

Detailed specifications and technical data for Deutz-Fahr DX 3.90

Power

Engine power:75 hp (55.9 kW)

Engine

Type:diesel, 4-cylinder, air-cooled
Model:Deutz F4L 913
Power:75 hp (55.9 kW)
Rated RPM:2350
Bore/Stroke:3.94x4.84 inches (100 x 123 mm)
Displacement:249.33 ci (4.1 L)
Oil capacity:10.5 qts (9.9 L)

General

Series:DX 3 Series
Built in:Germany
Production years:1985 - 1989

Capacity

Cab Fuel:22.5 gal (85.2 L)
ROPS Fuel:23 gal (87.1 L)
Hydraulic system:4 gal (15.1 L)
Optional hydraulic system:7.5 gal (28.4 L)

Hydraulics

Type:open center
Capacity:4 gal (15.1 L)
Pressure:2538 psi (175.0 bar)
Pump flow:17.7 gpm (67.0 lpm)
Rear valves:1 to 3
Front valves:2 (Optional)
Optional capacity:7.5 gal (28.4 L)

Mechanical

ROPS:Four-post ROPS with canopy. StarCab optional.
Drive:Two- or four-wheel drive
Brakes:Hydraulic drum brakes
Power steering:Yes
Differential lock:mechanical rear

Transmission

Options:12-speed partially synchronized, 24-speed two-speed power shift
12-speed Type:partially synchronized
24-speed Type:two-speed power shift
12-speed Gears:12 forward and 4 reverse
12-speed Notes:Four synchronized gears (1-4) in three ranges (creeper/low/high) plus reverse range.
24-speed Gears:24 forward and 8 reverse
24-speed Notes:Dual-split adds a two-speed high/low shift to the basic transmission. Four gears in three forward ranges and one reverse range.
12-speed Clutch:dry disc
24-speed Clutch:dry disc
12-speed Oil capacity:39.1 qts (37.0 L)

Tractor hitch

Control:position and draft control
Rear Type:II
Front Hitch:II (Optional)
Rear lift capacity:7275 lbs (3299 kg)

Dimensions & Tires

Width:82.3 inches (209 cm)
Length:157.9 inches (401 cm)
Rear tread:59 to 78.8 inches (149 to 200 cm)
Height (cab):101.3 inches (257 cm)
Weight range:6922 to 8333 pounds
2WD Wheelbase:91.5 inches (232 cm)
4WD Wheelbase:94 inches (238 cm)
Height (ROPS):97.3 inches (247 cm)
2WD Cab Weight:7826 lbs (3549 kg)
4WD Cab Weight:8333 lbs (3779 kg)
2WD ROPS Weight:6922 lbs (3139 kg)
4WD ROPS Weight:7429 lbs (3369 kg)
2WD Optional tires (ag):Front: 11.00x16, Rear: 16.9x34
2WD Standard tires (ag):Front: 10.00x16, Rear: 18.4x30
4WD Standard tires (ag):Front: 12.4x24, Rear: 18.4x30

Power Take-off (PTO)

Clutch:dry disc
Rear PTO:independent
Front PTO:independent (Optional)
Rear PTO Type:540 (1.375)
Front PTO Type:1000