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Years in Production / 1981–1985

Ursus

904

Explore the specifications, hardware, and original references for the Ursus 904.

Generic tractor; no model photo available
No photo

85hp

Source index power

MFWD Optional

Drive

1981–1985

Production years

Ursus

Manufacturer

904 / 01

At a glance

Production

Row-Crop tractor

Manufacturer
Ursus

Mechanical

Four-wheel drive

Power steering

Dry disc brakes

Differential Lock
mechanical rear

Hydraulics

Pump Flow
10.8 gpm40.9 lpm

Hitch

Rear Type
II
Control
position and draft control
Rear Lift
6725 lbs3050 kg

Pto

Rear Pto
independent
Rear Type
540/1000 (1.375)
Engine Rpm
540@1890
Engine Rpm
1000@2200

Electrical

Ground
negative
Batteries
2
Battery Volts
6

904 / 02

Under the hood

Engine Detail

Zetor Z 8401

diesel

4-cylinder

liquid-cooled

Displacement
278.4 ci4.6 L
Bore Stroke
4.331x4.724 inches110 x 120 mm
Power
85 hp63.4 kW
Compression Ratio
17:1
Rated Rpm
2200
Starter
electric
Starter Volts
12
Fuel Type
diesel
Cylinders
4
Cooling
liquid-cooled

Engine Options

Zetor 4.6L 4-cyl diesel

Fuel Tank
23.8 gal90.1 L

904 / 03

Gears & controls

Transmission

Gears
16 forward and 8 reverse

904 / 04

Size. Stance. Footprint.

Dimensions

Length
156 in396 cm
Height
100.5 in255 cm
Wheelbase
94 in238 cm

Dimensions And Tires

Wheelbase
94 inches238 cm
Weight
9702 lbs4400 kg
Front Tire
12.4-24
Rear Tire
18.4-34

Tires And Tracks

Front Ag
12.4-24
Rear Ag
18.4-34