Allis Chalmers 5050

The Allis Chalmers 5050 is a tractor produced by Allis Chalmers. It is equipped with a 167.8 ci 2.8 L engine. The listed engine power is 51.46 hp 38.4 kW. Transmission: 12 forward and 3 reverse. Operating weight: 4150 to 4740 pounds.

Engine Power

51.46 hp 38.4 kW

Fuel & Capacities

14.25 gal 53.9 L

Transmission

12 forward and 3 reverse

Operating Weight

4150 to 4740 pounds

Overview

	1977 - 1983 5000 SeriesUtility tractorFiat built 5000 Series Utility tractor Fiat built

Production
Distributor	Allis Chalmers
Manufacturer	Fiat
Utility tractor
Original price	$20,720
Very early production 5050 tractors were based on the Fiat 540 and had the smaller 2.6L engine.

Variants
580	similar Fiat model

Allis Chalmers 5050 Engine
Fiat 2.8L 3-cyl diesel
Engine details ...

Allis Chalmers 5050 Power
PTO (claimed)	50 hp 37.3 kW
Drawbar (tested)	43.29 hp 32.3 kW
PTO (tested)	51.46 hp 38.4 kW
Performance test details ...

Mechanical
Two- or four-wheel drive
Steering	power assist
Differential mechanical contracting band brakes
Open operator station. Optional ROPS and canopy.

Capacity
Fuel	14.25 gal 53.9 L
Hydraulic system	4.75 gal 18.0 L

Hydraulics
Type	open center
Capacity	4.75 gal 18.0 L
Valves	1
Pump flow	6.47 gpm 24.5 lpm

Tractor hitch
Rear Type	II/I
Rear lift	3200 lbs 1451 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540

Dimensions & Tires
2WD Wheelbase	75.6 inches 192 cm
4WD Wheelbase	76.7 inches 194 cm
Weight	4150 to 4740 pounds
Front tire	7.50-16
2WD Rear tire	14.9-28
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	37
Battery volts	12

References

Loaders - picking up where the others leave off published in 1979, by Allis Chalmers
5050 - 50hp the delivers 100% in the feedlot and field. published in 1978, by Allis Chalmers
5050 2WD & 4WD - Total Versatility published in 1981, by Allis Chalmers

Engine

Engine Detail — 167.8 ci / 2.8 L Diesel

Manufacturer	Fiat
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled
Displacement	167.8 ci 2.8 L
Bore/Stroke	4.055x4.330 inches 103 x 110 mm
Fuel use	3.504 gal/hour 13.3 l/hour
Air cleaner	paper element
Compression	17.1:1
Rated RPM	2700
Starter volts	12
Oil capacity	8.1 qts 7.7 L
Coolant capacity	14.25 qts 13.5 L
Intake valve clearance	0.018 inches (cold) 0.457 mm
	0.014 inches (hot) 0.356 mm
Exhaust valve clearance	0.018 inches (cold) 0.457 mm
	0.014 inches (hot) 0.356 mm

Allis Chalmers 5050 Engine

Image courtesy of Maxx

Transmission

Transmission options
8-speed partially synchronized
12-speed partially synchronized

Transmission — 8 forward and 2 reverse partially synchronized

Type	partially synchronized
Gears	8 forward and 2 reverse
Oil capacity	19 qts 18.0 L
Four gears, plus reverse, in two ranges. Gear pairs 3/4, and 7/8 are synchronized.
With 14.9-28 rear tires.

Transmission — 12 forward and 3 reverse partially synchronized

Type	partially synchronized
Gears	12 forward and 3 reverse
Four gears, plus reverse, in three ranges. Gear pairs 3/4, 7/8, and 11/12 are synchronized.
With 14,9 rear tires.

Dimensions

Allis Chalmers 5050 Tires
2WD Standard tires (ag)	Front: 7.50-16. Rear: 14.9-28
4WD Standard tires (ag)	Front: 8.3-24. Rear: 14.9-30

Dimensions
2WD Wheelbase	75.6 inches 192 cm
4WD Wheelbase	76.7 inches 194 cm
2WD Length	119.3 inches 303 cm
4WD Length	124.7 inches 316 cm
Width	67 inches 170 cm
2WD Ground clearance	20 inches 50 cm
4WD Ground clearance	12.5 inches 31 cm
2WD Front tread	53.2 to 77.2 inches 135 to 196 cm
4WD Front tread	55 to 59 inches 139 to 149 cm
Rear tread	56 to 79 inches 142 to 200 cm

Allis Chalmers 5050 Weight
2WD Shipping	4150 lbs 1882 kg
4WD Shipping	4740 lbs 2150 kg
Operating	4410 lbs 2000 kg
Ballasted	7690 lbs 3488 kg

Allis Chalmers 5050 Height
2WD Steering wheel	59.3 inches 150 cm
4WD Steering wheel	60.3 inches 153 cm
2WD Hood	56.3 inches 143 cm
4WD Hood	57.3 inches 145 cm
2WD Exhaust	91 inches 231 cm
4WD Exhaust	92 inches 233 cm

Tests

Nebraska Tractor Test 1240
Diesel 12-speed 2WD April 26 - May 4, 1977 Link: Nebraska Tractor Test 1240 file
PTO performance
Power at rated engine speed	51.46 hp 38.4 kW
Fuel use	3.5 gal/hour 13.2 l/hour
Power at rated PTO speed	47.16 hp 35.2 kW
Fuel use	2.9 gal/hour 11.0 l/hour
Drawbar performance
Max power	43.29 hp 32.3 kW
Fuel use	3.4 gal/hour 12.9 l/hour
Gear 1H used for power test.
Max pull	6,075 lbs 2755 kg
Gear 2L used for pull test.

Attachments

Attachment overview
Allis Chalmers 400 loader

Photos

Allis Chalmers 5050

Recommended Implements & Sizing Guide

Engineering recommendations for Allis Chalmers 5050 based on its 51.46 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm)	Medium Duty	Standard utility farm tillage.
Rotary Cutter / MowerMowing & Clearing	6 ft (72 in)1.8 m	Medium Duty	Medium pasture clearing; rear slip-clutch recommended.
Rotary TillerSeedbed Prep	66 to 72 in165 - 180 cm	Medium Duty	Standard utility tiller; slip clutch protection required.
Disc HarrowSecondary Tillage	7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙	Medium Duty	Field leveling and clod breaking behind plows.
Hay BalerHay & Forage	Small Square Baler (14x18")小方捆打捆机 (36x46 cm)	Medium Duty	Classic 2-string baler for horse and small livestock hay.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers 5050.

Estimated Continuous Field Runtime: 5.3 hrs

Approximately 5.3 hours of continuous field operation at ~75% rated power on a full tank (14.3 gal / 53.9 L).

Estimated 75% Load Fuel Burn~2.7 gal/hr (10.1 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours