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Long 510 vs Long 550

Verdict: Long 510 vs Long 550

The Long 510 and the Long 550 are both tractors — here is how they stack up on the figures that matter. Long 550 leads on rated power with 54 hp against 49 hp. Long 550 is the lighter machine (2,072 kg vs 4,285 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Long 510 is the newer design (1979 vs 1972). In short: choose the Long 550 for outright pulling power, or the Long 510 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
Long 510 Tractor
Long
62
Fit score
Best match
Clear
Long 550 Tractor
Long
62
Fit score
Best match
Clear
Rated power
49 hp
54 hp
Confidence
40%
40%
Guide price
Overview
Distributor
LongReference
LongReference
Manufacturer
UTB/UniversalReference
UTB/UniversalReference
Diesel 8-speed 4WDOctober 29 - November 14, 1981Link: Nebraska Tractor Test 1416 fileReference
Gear 2 used for pull test.Reference
Steering
hydrostatic powerReference
power assistReference
Variants
510 DTC
4WDReference
Engine
Drawbar (claimed)
31.3 kWReference
34.8 kWReference
Drawbar (tested)
31.1 kWReference
34.8 kWReference
Displacement
2.7 LReference
3.1 LReference
Bore/Stroke
102 x 110 mmReference
95 x 110 mmReference
Compression
17:1Reference
17:1Reference
Rated RPM
2400Reference
2400Reference
Idle RPM
600-2550Reference
Firing order
1-2-3Reference
Starter volts
12Reference
12Reference
Power at rated engine speed
36.8 kWReference
40.0 kWReference
Max power
29.8 kWReference
34.8 kWReference
Fuel tank
53.9 LReference
Engine
44.7 kWReference
Power
44.7 kWReference
Fuel system
direct injectionReference
Oil capacity
17.0 LReference
Coolant capacity
13.9 LReference
Transmission
Gears
8 forward and reverseReference
8 forward and 2 reverseReference
Clutch
dry discReference
279.4mm dry discReference
PTO & Hydraulics
PTO (claimed)
36.2 kWReference
40.0 kWReference
PTO (tested)
36.8 kWReference
40.0 kWReference
Rear PTO Type
540Reference
540 (1.375)Reference
Engine RPM
540@2160Reference
540@1970Reference
Power at rated PTO speed
34.6 kWReference
35.5 kWReference
Type
gearReference
Pressure
147.1 barReference
Pump flow
21.8 lpmReference
Rear Type
II/IReference
Rear lift
1206 kgReference
Dimensions
2WD Wheelbase
193 cmReference
4WD Wheelbase
191 cmReference
Weight
4285 to 5265 poundsReference
2072 kgReference
Front tire
7.5016Reference
7.50-16Reference
Rear tire
14.9-28Reference
18.4-28Reference
Ag front
9.5-20 (4WD)Reference
7.50-16Reference
Ag rear
14.9-28Reference
16.9x28Reference
2WD Front tread
128 to 196 cmReference
Front tread
151 cmReference
132 to 200 cmReference
Rear tread
132 to 193 cmReference
120 to 189 cmReference
Operating
2388 kgReference
Ballasted
4127 kgReference
Wheelbase
207 cmReference
Operating weight
2072 kgReference
Ballasted weight
4132 kgReference
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Test results
Fuel use
10.6 l/hourReference
12.1 l/hourReference
Max pull
2556 kgReference
3149 kgReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.

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