The Renault 451 is a tractor model with a rated power of 45 hp, positioning it within the lighter power range for its class. It was manufactured between 1972 and 1978. Equipped with a 3-cylinder diesel air-cooled engine, this tractor features four-wheel drive and a 12-speed gearbox. Its operating weight is listed at 1850 kg, making it suitable for operations covering up to 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
45 hp
Weight
1850 kg
Catalogue coverage
Variants represented
2
Richest spec table
40 rows
Recorded power
45 hp
Recorded weight
1850 kg
Transmissions
12-speed gear
Production years
1972-1978
Verified variants
0
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Overview
DistributorRenaultReference
ManufacturerCarraroReference
Utility tractorReference
Built in ItalyReference
Total built599Reference
Four-wheel driveReference
Manual steeringReference
Mechanical drum brakesReference
Open operator station.Reference
Engine
Carraro 2.9L 3-cyl dieselReference
Fuel tank42.0 LReference
Engine33.6 kWReference
Carraro 284Reference
dieselReference
3-cylinderReference
air-cooledReference
Displacement2.9 LReference
Bore/Stroke105 x 110 mmReference
Power33.6 kWReference
Fuel systemdirect injectionReference
Compression17:1Reference
Rated RPM2000Reference
Idle RPM550-2100Reference
Firing order1-3-2Reference
Transmission
12-speed gearReference
TypegearReference
Gears12 forward and 4 reverseReference
PTO & Hydraulics
Pump flow22.0 lpmReference
Rear TypeIReference
Rear PTOindependentReference
Rear PTO Type540 (1.375)Reference
Engine RPM540@1780Reference
Dimensions
Wheelbase191 cmReference
Weight1850 kgReference
Front tire7.50-20Reference
Rear tire12.4/11-28Reference
Standard tires (ag)Front: 7.50-20. Rear: 12.4/11-28Reference
Length313 cmReference
Height (steering wheel)145 cmReference
Ground clearance27 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
