Compare/Allis Chalmers 718 vs Allis Chalmers 720

Allis Chalmers 718 vs Allis Chalmers 720

Verdict: Allis Chalmers 718 vs Allis Chalmers 720

The Allis Chalmers 718 and the Allis Chalmers 720 are both lawn tractors — here is how they stack up on the figures that matter. Allis Chalmers 720 leads on rated power with 20 hp against 18 hp. Allis Chalmers 718 is the lighter machine (376 kg vs 1,235 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 718 is the newer design (1978 vs 1975). In short: choose the Allis Chalmers 720 for outright pulling power, or the Allis Chalmers 718 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

18 hp

20 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

SundstrandReference

air-cooled horizontal-shaftReference

With 29x12.00-15 R3 tires.Reference

Distributor

—

Allis ChalmersReference

Final drives

—

spur gearReference

Engine

Fuel tank

11.4 LReference

—

Displacement

35.9 ciReference

49.8 ciReference

Bore/Stroke

95 x 83 mmReference

83 x 76 mmReference

Power

13.4 kWReference

—

Air cleaner

dryReference

paper elementReference

Rated RPM

3600Reference

Starter

electricReference

—

Starter volts

12Reference

Oil capacity

1.9 LReference

5.7 LReference

Oil change

annuallyReference

—

Power (gross)

—

14.5 kWReference

Compression

—

7:1Reference

Transmission

Gears

infinite forward and reverseReference

infinite forward and reverse (3-range)Reference

PTO & Hydraulics

Type

belt-driven hydrostaticReference

hydrostaticReference

Mid PTO

independentReference

—

Clutch

manualReference

electricReference

Hydraulic system

—

5.7 LReference

Capacity

—

5.7 LReference

Pressure

—

34.5 barReference

Pump flow

—

9.5 lpmReference

Rear Type

—

0Reference

Rear PTO

—

independentReference

Rear PTO Type

—

2000Reference

Front PTO

—

independentReference

Front PTO Type

—

3600Reference

Dimensions

Wheelbase

122 cmReference

142 cmReference

Weight

376 kgReference

419 kgReference

Front tire

16x6.50-8Reference

20x8.00-10Reference

Rear tire

23x10.50-12Reference

29x12.00-15Reference

Lawn/turf front

16x6.50-8Reference

6.90/6.00-9Reference

Lawn/turf rear

23x10.50-12Reference

31x15.50-15Reference

Length

170 cmReference

210 cmReference

Width

95 cmReference

121 cmReference

Height

99 cmReference

109 cmReference

Ground clearance

20 cmReference

38 cmReference

Front tread

76 cmReference

—

Rear tread

68 cmReference

—

Ag front

—

4.00x12Reference

Ag rear

—

8.00-16Reference

Shipping

—

589 kgReference

Operating

—

671 kgReference

Allis Chalmers 718 attachments

718 Serial Number Location

Electrical

Ground

negativeReference

Charging system

flywheel alternatorReference

flywheel magnetoReference

Charging amps

16Reference

20Reference

Battery volts

12Reference

Battery AH

45Reference

53Reference

Attachment overview

Variants

9020

—

similar Simplicity modelReference

720 Special

—

economy model with no 3-point or rear PTOReference

Capacities

Fuel

—

14.4 LReference

Allis Chalmers 720 attachments

720 Serial Number Location

60" Mower deck

Cutting width

—

152 cmReference

Brantly LD6 Backhoe

Backhoe type

—

Brantly LD6 BackhoeReference

Transport height

—

182 cmReference

Bucket width

—

40 cmReference

2-Foot flat digging depth

—

182 cmReference

Reach from pivot

—

274 cmReference

Swing Arc

—

135°Reference

Bucket force

—

1360 kgReference

Dipperstick force

—

707 kgReference

Speeds

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.