Allis Chalmers

Allis Chalmers 5020

The Allis Chalmers 5020 is a compact utility tractor built by Hinomoto in Osaka, Japan from 1977 to 1985. It features a Toyosha 1.3L 2-cylinder liquid-cooled diesel engine producing 25 hp (18.6 kW). The tractor offers 8-speed or 12-speed unsynchronized gear transmissions, two- or four-wheel drive options, and manual steering. It has a wheelbase of 59.8 inches (151 cm) and weighs between 1900 to 2150 pounds depending on configuration. The 5020 is equipped with a rear PTO with optional live PTO and supports various attachments including a 60-inch mid-mount mower deck and front-end loader. It was originally priced at $8,280 in 1985 and had a total production of 8,500 units.

Power25 hp

Founded1977 - 1985

Model5020

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Technical Specifications

Detailed specifications and technical data for Allis Chalmers 5020

Power

Plows	1 (14-inch)
Engine	25 hp (18.6 kW)
PTO (tested)	21.79 hp (16.2 kW)
PTO (claimed)	21 hp (15.7 kW)
Drawbar (tested)	17.37 hp (13.0 kW)
Drawbar (claimed)	17 hp (12.7 kW)

Tires

Ag rear	9.5-24, 11.2x24
Ag front	5.00-15 (2WD), 6.00x14 (4WD)
Lawn/turf rear	13.6-16
Lawn/turf front	20x8.00-10

Engine

Type	diesel
Model	Toyosha S126
Power	25 hp (18.6 kW)
Cooling	liquid-cooled
Starter	electric
Idle RPM	750-2750
Cylinders	2-cylinder
Rated RPM	2500
Air cleaner	single paper element
Bore/Stroke	3.62x3.74 inches (92 x 95 mm)
Compression	23.0:1
Displacement	77.1 ci (1.3 L)
Firing order	1-2
Oil capacity	5 qts (4.7 L)
Starter volts	12
Coolant capacity	5.3 qts (5.0 L)
Oil change interval	100 h

Capacity

Fuel	7 gal (26.5 L)
Hydraulic system	5.5 gal (20.8 L)

Dimensions

Width	48 inches (121 cm)
Length	98.9 inches (251 cm)
Wheelbase	59.8 inches (151 cm)
Rear tread	39.2/51 inches (99/129 cm)
Front tread	38.6 inches (98 cm)
Height Hood	44.7 inches (113 cm)
Height ROPS	85 inches (215 cm)
Height Exhaust	77.5 inches (196 cm)
Ballasted weight	3358 lbs (1523 kg)
Operating weight	2060 lbs (2WD) (934 kg)
Weight 2WD Shipping	1900 lbs (861 kg)
Weight 4WD Shipping	2150 lbs (975 kg)
Clearance (rear axle)	14 inches (35 cm)
Height Steering wheel	59.8 inches (151 cm)
Clearance (front axle)	12.6 inches (32 cm)

Electrical

Ground	negative
Battery AH	70
Battery volts	12
Charging amps	15
Charging system	alternator

Hydraulics

Type	open center
Valves	0 or 1
Capacity	5.5 gal (20.8 L)
Pump flow	5.44 gpm (20.6 lpm)

Mechanical

ROPS	Two-post ROPS, optional ROPS canopy
Drive	Two- or four-wheel drive
Brakes	Differential mechanical drum and shoe brakes
Steering	Manual steering

Production

Built in	Osaka, Japan
Description	Compact Utility tractor
Distributor	Allis Chalmers
Total built	8,500
Manufacturer	Hinomoto
Original price	$8,280 in 1985

Attachments

Overview	60" mid-mount mower deck, Front-end loader. The Allis-Chalmers was advertised as available with a 72-inch rear blade, 1-bottom (14-inch) plow, 60-inch rear mower, 50-inch tiller, and 60-inch snow thrower.
60" Mower deck	Typemid-mount Allis Chalmers 1690373 Blades3-blade Weight308 lbs (139 kg) Cutting width60 inches (152 cm)

Transmission

Type	unsynchronized gear
Clutch	215mm dry disc
Options	8-speed unsynchronized gear, 12-speed unsynchronized gear
Oil type	Power Fluid 821
Oil capacity	22 qts (20.8 L)
Notes 8-speed	Four gears, plus reverse, with high and low ranges. The eight-speed appears to only have been available during early production.
Notes 12-speed	Four gears, plus reverse, with high, low, and creeper ranges. The 12-speed is commonly listed as the standard transmission.
Gears (8-speed)	8 forward and 2 reverse
Gears (12-speed)	12 forward and 3 reverse