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Renault 451 vs Renault 50-12 LB

Verdict: Renault 451 vs Renault 50-12 LB

The Renault 451 and the Renault 50-12 LB are both tractors — here is how they stack up on the figures that matter. Renault 451 leads on rated power with 45 hp against 44 hp. Renault 451 is the lighter machine (1,850 kg vs 2,100 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Renault 50-12 LB holds more fuel (62.1 L vs 42.0 L) for longer stints between fills. Renault 50-12 LB is the newer design (1987 vs 1972). In short: choose the Renault 451 for outright pulling power, or the Renault 50-12 LB 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
Renault 451 Tractor
Renault
62
Fit score
Best match
Clear
Renault 50-12 LB Tractor
Renault
62
Fit score
Best match
Clear
Rated power
45 hp
44 hp
Confidence
40%
40%
Guide price
Overview
Distributor
RenaultReference
RenaultReference
Manufacturer
CarraroReference
CarraroReference
air-cooledReference
air-cooledReference
Total built
599Reference
Final drives
planetaryReference
Differential lock
mechanical rearReference
Engine
Fuel tank
42.0 LReference
62.1 LReference
Engine
33.6 kWReference
33.0 kWReference
Displacement
2.9 LReference
2.8 LReference
Bore/Stroke
105 x 110 mmReference
98 x 120 mmReference
Power
33.6 kWReference
33.0 kWReference
Fuel system
direct injectionReference
Compression
17:1Reference
Rated RPM
2000Reference
2350Reference
Idle RPM
550-2100Reference
Firing order
1-3-2Reference
Torque
154.0 NmReference
Torque RPM
1600Reference
Starter type
electricReference
Transmission
Type
gearReference
Four gears in two ranges with mechanical shuttle.Reference
Gears
12 forward and 4 reverseReference
8 forward and reverseReference
Clutch
dry discReference
PTO & Hydraulics
Pump flow
22.0 lpmReference
36.3 lpmReference
Rear Type
IReference
IIReference
Rear PTO
independentReference
independentReference
Rear PTO Type
540 (1.375)Reference
540Reference
Engine RPM
540@1780Reference
Pressure
180.0 barReference
Valves
1Reference
Control
position and draft controlReference
Rear lift
3477 kgReference
Dimensions
Wheelbase
191 cmReference
Weight
1850 kgReference
2100 kgReference
Front tire
7.50-20Reference
6.00-16Reference
Rear tire
12.4/11-28Reference
13.6-28Reference
Standard tires (ag)
Front: 7.50-20. Rear: 12.4/11-28Reference
Length
313 cmReference
329 cmReference
Height (steering wheel)
145 cmReference
Ground clearance
27 cmReference
Ag front
7.50-16Reference
Ag rear
12.4-36Reference
Width
164 cmReference
Height (ROPS)
225 cmReference
Height (cab)
220 cmReference
Max weight
4260 kgReference
Front tread
130 to 189 cmReference
Rear tread
130 to 189 cmReference

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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