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Years in Production / 1972–1975

Long

550

Explore the specifications, hardware, and original references for the Long 550.

Generic tractor; no model photo available
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60hp

Source index power

2WD Only

Drive

1972–1975

Production years

Long

Manufacturer

550 / 01

At a glance

Production

Utility tractor

Built in Brasov, Romania

Distributor
Long
Manufacturer
UTB/Universal

Mechanical

Two-wheel drive

Independent contracting band brakes

Open operator station.

Steering
manual
Steering
power assist OptOptional

Hydraulics

Type
open center
Pressure
2133 psi147.1 bar
Pump Flow
5.75 gpm21.8 lpm

Hitch

Rear Type
II/I
Rear Lift
2660 lbs1206 kg

Pto

Rear Type
540 (1.375)
Engine Rpm
540@1970

Electrical

Ground
negative
Battery Volts
12

550 / 02

Under the hood

Engine Detail

Uzina

diesel

4-cylinder

liquid-cooled

Displacement
190.7 ci3.1 L
Bore Stroke
3.74x4.33 inches95 x 110 mm
Power
60 hp44.7 kW
Fuel System
direct injection
Compression Ratio
17:1
Rated Rpm
2400
Starter Volts
12
Oil Capacity
11 qts10.4 L
Coolant Capacity
14.7 qts13.9 L
Fuel Type
diesel
Cylinders
4
Cooling
liquid-cooled

Engine Options

Uzina 3.1L 4-cyl diesel

Fuel Tank
14.25 gal53.9 L

550 / 03

Gears & controls

Transmission

Transmission Type
gear
Gears
8 forward and 2 reverse
Clutch
279.4mm dry disc
Oil Capacity
18 qts17.0 L

550 / 04

Size. Stance. Footprint.

Dimensions

Wheelbase
81.5 in207 cm
Front tread
52 in132 cm
Rear tread
47.25 in120 cm

Dimensions And Tires

Wheelbase
81.5 inches207 cm
Weight
4570 lbs2072 kg
Front Tire
7.50-16
Rear Tire
18.4-28

Tires And Tracks

Front Ag
7.50-16
Rear Ag
18.4-28
Rear Ag
14.9x28
Rear Ag
16.9x28

550 / 05

Tests (NTTL)

Nebraska Tractor Test 1109

Diesel 8-speed 2WDSeptember 21 - October 2, 1972

PTO performance

Drawbar performance

Gear 5 used for power test.

Gear 2 used for pull test.

Id
1109
Power At Rated Engine Speed
53.61 hp40.0 kW
Fuel Use
3.6 gal/hour13.6 l/hour
Fuel Use
3.2 gal/hour12.1 l/hour
Power At Rated Pto Speed
47.66 hp35.5 kW
Max Power
46.73 hp34.8 kW
Max Pull
6,944 lbs3149 kg