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Massey Ferguson 451

Massey Ferguson 451 tractor
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The Massey Ferguson 451 is a utility tractor from the 400 Series produced between 2002 and 2006. Built in Brazil, it features a Perkins 2.7L 3-cylinder liquid-cooled diesel engine delivering 48 hp (35.8 kW) net power. The tractor offers 8-speed gear and partially synchronized transmission options, with 8 forward and 2 reverse gears. It has two- or four-wheel drive, power steering, wet disc brakes, and a two-post foldable ROPS. The hydraulic system is open center with 11.1 gal (42.0 L) capacity and 2500 psi pressure. The rear hitch is category II/I with position and draft control and a lift capacity of 3748 lbs (1700 kg). The PTO is live with optional independent operation, featuring a 254mm mechanical dry disc clutch or optional hydraulic wet disc clutch. Dimensions vary slightly between 2WD and 4WD models, with wheelbases around 78 inches and shipping weights from 4738 to 5238 lbs. Standard tires differ for 2WD and 4WD configurations. Electrical system includes a 12-volt battery and 35 amp alternator. Attachments include Massey Ferguson 1040 and 1050 loaders with lift capacities up to 3200 lbs.
Massey Ferguson 451tractorspecificationsPerkins 2.7L engineutility tractor400 Series48 hp8-speed transmissionhydraulicsPTOdimensionsattachments
Power48 hp
Founded2002 - 2006
Model451

Technical Specifications

Detailed specifications and technical data for Massey Ferguson 451

Power

Engine (net):48 hp (35.8 kW)
PTO (claimed):45 hp (33.6 kW)

Tires

2WD Standard tires (ag):Front: 7.50-16. Rear: 14.-28
4WD Standard tires (ag):Front: 9.5-24. Rear: 14.9-28

Engine

Type:diesel
Model:Perkins 903.27
Cooling:liquid-cooled
Starter:electric
Cylinders:3-cylinder
Emissions:Tier I
Rated RPM:2200
Air cleaner:dual dry element
Bore/Stroke:3.74x5.00 inches (95 x 127 mm)
Power (net):48 hp (35.8 kW)
Pre-heating:thermostart
Displacement:164 ci (2.7 L)
Oil capacity:6.6 qts (6.2 L)
Starter volts:12
Coolant capacity:10 qts (9.5 L)

Capacity

Fuel:15.3 gal (57.9 L)
Hydraulic system:11.1 gal (42.0 L)

Dimensions

Width:72 inches (182 cm) (Minimum width.)
2WD Length:132.7 inches (337 cm)
4WD Length:135 inches (342 cm)
Rear tread:57 to 68 inches (144 to 172 cm)
2WD Wheelbase:78.3 inches (198 cm)
4WD Wheelbase:78.7 inches (199 cm)
Height (ROPS):96.7 inches (245 cm)
Height folded:73.1 inches (185 cm)
2WD Front tread:50.2 to 72.2 inches (127 to 183 cm)
4WD Front tread:55.1 to 57.8 inches (139 to 146 cm)
2WD Shipping weight:4738 lbs (2149 kg)
4WD Shipping weight:5238 lbs (2375 kg)
Clearance (drawbar):10.5 inches (26 cm)

Electrical

Ground:negative
Battery CCA:750
Battery volts:12
Charging amps:35
Charging system:alternator

Hydraulics

Type:open center
Valves:2
Capacity:11.1 gal (42.0 L)
Pressure:2500 psi (172.4 bar)
Pump flow:9.5 gpm (36.0 lpm)
Steering press.:1740 psi (120.0 bar)

Mechanical

ROPS:Two-post foldable ROPS.
Drive:Two- or four-wheel drive
Brakes:Wet disc brakes
Steering:Power steering

Production

Type:Utility tractor
Series:400 Series
Built in:Brazil
Years made:2002 - 2006

Attachments

Loader models:Massey Ferguson 1040 loader, Massey Ferguson 1050 loader
1040 Loader lift:2900 lbs (1315 kg)
1050 Loader lift:3200 lbs (1451 kg)
1040 Loader height (at pin):111 inches (281 cm)
1050 Loader height (at pin):121 inches (307 cm)
1040 Loader clearance (level):103 inches (261 cm)
1050 Loader clearance (level):113 inches (287 cm)

Transmission

Options:8-speed gear, 8-speed partially synchronized
Type (gear):gear
Gears (gear):8 forward and 2 reverse
Notes (gear):Four gears, plus reverse, in two ranges.
Clutch (gear):305mm dry disc
Oil capacity (gear):44.4 qts (42.0 L)
Type (partially synchronized):partially synchronized
Gears (partially synchronized):8 forward and reverse
Notes (partially synchronized):Four synchronized gears in two ranges with left-hand shuttle.
Clutch (partially synchronized):305mm dry disc

Tractor hitch

Control:position and draft control
Rear Type:II/I
Rear lift (at ends):3748 lbs (1700 kg)

Power Take-off (PTO)

Clutch:254mm mechanical dry disc
Optional:independent
Rear PTO:live
Engine RPM:540@1908 (gear), 540@1789 (shuttle)
Rear PTO Type:540 (1.375)
Optional clutch:hydraulic wet disc (With independent PTO option.)

Related Models

Massey Ferguson 471

Model:471