Tractor · 1977Unverified
Allis Chalmers 5050
Allis Chalmers 5050 — Utility tractor · 51 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
51 hp
Max power
32.3 kW
Weight
4150 to 4740 pounds
Hover a source tag to verify
Overview
DistributorAllis ChalmersReference
ManufacturerFiatReference
Utility tractorReference
Original price$20,720Reference
Very early production 5050 tractors were based on the Fiat 540 and had the smaller 2.6L engine.Reference
Two- or four-wheel driveReference
Steeringpower assistReference
Differential mechanical contracting band brakesReference
Open operator station. Optional ROPS and canopy.Reference
Variants
580similar Fiat modelReference
Engine
Fiat 2.8L 3-cyl dieselReference
Drawbar (tested)32.3 kWReference
FiatReference
dieselReference
3-cylinderReference
liquid-cooledReference
Displacement2.8 LReference
Bore/Stroke103 x 110 mmReference
Fuel use13.3 l/hourReference
Air cleanerpaper elementReference
Compression17.1:1Reference
Rated RPM2700Reference
Starter volts12Reference
Oil capacity7.7 LReference
Coolant capacity13.5 LReference
Intake valve clearance0.457 mmReference
Intake valve clearance0.356 mmReference
Exhaust valve clearance0.457 mmReference
Exhaust valve clearance0.356 mmReference
Image courtesy of MaxxReference
Power at rated engine speed38.4 kWReference
Max power32.3 kWReference
Transmission
8-speed partially synchronizedReference
12-speed partially synchronizedReference
Typepartially synchronizedReference
Gears8 forward and 2 reverseReference
Oil capacity18.0 LReference
Four gears, plus reverse, in two ranges. Gear pairs 3/4, and 7/8 are synchronized.Reference
Gears12 forward and 3 reverseReference
Four gears, plus reverse, in three ranges. Gear pairs 3/4, 7/8, and 11/12 are synchronized.Reference
PTO & Hydraulics
PTO (claimed)37.3 kWReference
PTO (tested)38.4 kWReference
Hydraulic system18.0 LReference
Typeopen centerReference
Capacity18.0 LReference
Valves1Reference
Pump flow24.5 lpmReference
Rear TypeII/IReference
Rear lift1451 kgReference
Rear PTOindependentReference
Rear PTO Type540Reference
Power at rated PTO speed35.2 kWReference
Capacities
Fuel53.9 LReference
Dimensions
2WD Wheelbase192 cmReference
4WD Wheelbase194 cmReference
Weight4150 to 4740 poundsReference
Front tire7.50-16Reference
2WD Rear tire14.9-28Reference
2WD Standard tires (ag)Front: 7.50-16. Rear: 14.9-28Reference
4WD Standard tires (ag)Front: 8.3-24. Rear: 14.9-30Reference
2WD Length303 cmReference
4WD Length316 cmReference
Width170 cmReference
2WD Ground clearance50 cmReference
4WD Ground clearance31 cmReference
2WD Front tread135 to 196 cmReference
4WD Front tread139 to 149 cmReference
Rear tread142 to 200 cmReference
2WD Shipping1882 kgReference
4WD Shipping2150 kgReference
Operating2000 kgReference
Ballasted3488 kgReference
2WD Steering wheel150 cmReference
4WD Steering wheel153 cmReference
Allis Chalmers 5050 attachments
front-end loaderReference
5050 Serial Numbers
Location:Serial number plate below the steering wheelReference
1977573461Reference
1978579632Reference
1979584000Reference
1980591000Reference
1981596014Reference
1982597730Reference
1983599191Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps37Reference
Battery volts12Reference
Attachment overview
Allis Chalmers 400 loaderReference
Allis Chalmers 5050 Height
2WD Hood143 cmReference
4WD Hood145 cmReference
2WD Exhaust231 cmReference
4WD Exhaust233 cmReference
Test results
Diesel 12-speed 2WDApril 26 - May 4, 1977Link: Nebraska Tractor Test 1240 fileReference
PTO performanceReference
Fuel use13.2 l/hourReference
Fuel use11.0 l/hourReference
Drawbar performanceReference
Fuel use12.9 l/hourReference
Gear 1H used for power test.Reference
Max pull2755 kgReference
Gear 2L used for pull test.Reference
Speeds
With 14.9-28 rear tires.Reference
With 14,9 rear tires.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.