Allis Chalmers 620

Allis Chalmers 620 Simplicity built Technical Specifications

Allis Chalmers 620 is a Row-Crop tractor that was produced by the John Deere between 1973 – 1975.

Below you will find detailed technical specifications for Allis Chalmers 620 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Allis Chalmers 620 Production

Distributor: Allis Chalmers
Manufacturer: Simplicity
Type: Sub-Compact Utility tractor

Allis Chalmers 620 Electrical

Ground: negative
Charging amps: 20
Battery volts: 12

Allis Chalmers 620 Mechanical

Chassis: 4×2 2WD
Cab: Open operator station.
Transmission: hydrostatic


Fuel: 3.8 gal
14.4 L
Hydraulic system: 1.25 gal
4.7 L


Capacity: 1.25 gal
4.7 L
Pressure: 500 psi
34.5 bar
Total flow: 2.25 gpm
8.5 lpm

Tracktor Hitch

Rear Type: 0

Power Take-off (PTO)

Rear PTO: electric
Rear RPM: 2000
Front PTO: electric
Front RPM: 2000

Allis Chalmers 620 Engine detail

Engine Detail
Displacement: 49.8 ci
0.8 L
Bore/Stroke: 3.25×3.00 inches
83 x 76 mm
Power: 19.5 hp
14.5 kW
Air cleaner: paper element
Compression: 7:1
Rated RPM: 3600
Starter volts: 12
Oil capacity: 3.5 qts
3.3 L

Allis Chalmers 620 Transmission overview

Engine Oil

Type: hydrostatic
Gears: infinite (3-range) forward and reverse

Allis Chalmers 620 Dimensions

Wheelbase: 56 inches
142 cm
Length: 83 inches
210 cm
Width: 48 inches
121 cm
Height: 43.25 inches
109 cm
Weight: 1,500 lbs
680 kg
Ground clearance: 15 inches
38 cm


Is Allis Chalmers 620 a good tractor?

The Allis Chalmers 620 is one of the great tractors in the Simplicity stable, and it has earned Simplicity a fantastic reputation.

How much oil does a Allis Chalmers 620 take?

Check out the Allis Chalmers 620 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Simplicity made the 620?

The Allis Chalmers 620 was an agricultural tractor model made from 1973 – 1975

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