Compare/Massey-Harris 101 Senior vs Massey-Harris 81

Massey-Harris 101 Senior vs Massey-Harris 81

Verdict: Massey-Harris 101 Senior vs Massey-Harris 81

The Massey-Harris 101 Senior and the Massey-Harris 81 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 26 hp. Massey-Harris 81 is the lighter machine (1,313 kg vs 1,814 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Massey-Harris 101 Senior holds more fuel (68.1 L vs 45.4 L) for longer stints between fills. Massey-Harris 101 Senior is the newer design (1942 vs 1941). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Massey-Harris

Fit score

Best match

Clear

Massey-Harris

Fit score

Best match

Clear

Rated power

26 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Massey-HarrisReference

With 11x38 rear tires.Reference

Gear 1 used for pull test.Reference

Original price

—

$1,121 (1946)Reference

Steering

—

manualReference

Variants

—

distillateReference

101

gasoline engineReference

—

102

distillate engineReference

—

81R

—

row-crop gasolineReference

81S

—

standard gasolineReference

Engine

Fuel tank

53.0 LReference

45.4 LReference

Drawbar (claimed)

19.4 kWReference

11.9 kWReference

Belt (claimed)

26.8 kWReference

—

Plows

3Reference

—

Displacement

3.7 LReference

2.0 LReference

Bore/Stroke

84 x 111 mmReference

76 x 111 mmReference

Air cleaner

oil bathReference

—

Compression

6:1Reference

—

Rated RPM

1800 (Twin Power)Reference

1500Reference

Firing order

1-5-3-6-2-4Reference

—

Starter volts

6Reference

Oil capacity

22.7 LReference

—

Coolant capacity

13.2 LReference

10.4 LReference

Sparkplug

Champion 8Reference

—

Sparkplug gap

0.635 mmReference

—

Drawbar (tested)

—

15.5 kWReference

Belt (tested)

—

20.2 kWReference

Fuel system

—

Marvel-Schebler TSX-28 carburetorReference

Belt power (max)

—

20.2 kWReference

Max power

—

15.5 kWReference

Transmission

Type

gearReference

unsynchronized gearReference

Gears

4 forward and 1 reverseReference

Clutch

dry discReference

PTO & Hydraulics

Rear PTO

transmissionReference

—

Rear PTO Type

540 (1.375)Reference

—

Engine RPM

557@1500Reference

—

PTO (claimed)

—

19.4 kWReference

Dimensions

Weight

1814 kgReference

1313 kgReference

Front tire

6.00-16Reference

4.00x15Reference

Rear tire

11-38Reference

9.00x32Reference

Ag front

12-26 (standard)Reference

4.00x15Reference

Ag rear

11-38Reference

9.00x32Reference

Length

320 cmReference

302 cmReference

Height (steering wheel)

160 cmReference

—

Rear tread

132 cmReference

—

Height

—

147 cmReference

101 Senior Serial Number Location

101 Senior Serial Numbers

1942

358869 (standard)Reference

403168Reference

1943

358975 (standard)Reference

------Reference

1944

359458 (standard)Reference

403354Reference

1945

360927 (standard)Reference

403364Reference

1946

362520 (standard)Reference

404664Reference

Capacities

Diameter

34 cmReference

—

Width

168 cmReference

—

RPM

837 (Twin Power)Reference

—

Speed

902.21 meters/minReference

—

Electrical

Ground

positiveReference

—

Charging system

generatorReference

—

Battery volts

6Reference

—

Speeds

81 Serial Number Location

81 Serial Numbers

1941

—

400001Reference

Final

—

406601Reference

Test results

Belt fuel use (max)

—

9.5 l/hourReference

Max pull

—

1314 kgReference

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.