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

Massey-Harris 101 Junior vs Massey-Harris 101 Senior

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

The Massey-Harris 101 Junior and the Massey-Harris 101 Senior are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 26 hp. Massey-Harris 101 Junior is the lighter machine (1,542 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 37.9 L) for longer stints between fills. Massey-Harris 101 Senior is the newer design (1942 vs 1939). 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

140 gasoline 4-speed 2WDOctober 7 - 12, 1940Link: Nebraska Tractor Test fileReference

With 11x38 rear tires.Reference

Variants

101

—

gasoline engineReference

102

—

distillate engineReference

101 Junior

gasolineReference

—

102 Junior

distillateReference

—

Engine

Fuel tank

37.9 LReference

53.0 LReference

Drawbar (claimed)

15.3 kWReference

19.4 kWReference

Plows

2Reference

3Reference

Drawbar (tested)

18.4 kWReference

—

Belt (tested)

22.8 kWReference

—

Displacement

2.7 LReference

3.7 LReference

Bore/Stroke

87 x 111 mmReference

84 x 111 mmReference

Air cleaner

oil bathReference

Compression

6.7:1Reference

6:1Reference

Rated RPM

1800Reference

1800 (Twin Power)Reference

Starter volts

6Reference

Coolant capacity

10.4 LReference

13.2 LReference

Belt power (max)

22.8 kWReference

—

Max power

18.4 kWReference

—

Belt (claimed)

—

26.8 kWReference

Firing order

—

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

Oil capacity

—

22.7 LReference

Sparkplug

—

Champion 8Reference

Sparkplug gap

—

0.635 mmReference

Transmission

Type

gearReference

Gears

4 forward and 1 reverseReference

Clutch

—

dry discReference

PTO & Hydraulics

PTO (claimed)

19.6 kWReference

—

Rear PTO Type

540 (1.375)Reference

Rear PTO

—

transmissionReference

Engine RPM

—

557@1500Reference

Dimensions

Wheelbase

198 cmReference

—

Weight

1542 kgReference

1814 kgReference

Front tire

5.00-15Reference

6.00-16Reference

Rear tire

10.00-36Reference

11-38Reference

Ag front

4.75-15Reference

12-26 (standard)Reference

Ag rear

10.00-36Reference

11-38Reference

Rear tread

132 cmReference

Length

—

320 cmReference

Height (steering wheel)

—

160 cmReference

101 Junior Serial Numbers

1939

377001Reference

—

1940

377928Reference

—

1941

379550Reference

—

1942

379815Reference

358869 (standard)Reference

1943

379855Reference

358975 (standard)Reference

1944

380641Reference

359458 (standard)Reference

1945

382569Reference

360927 (standard)Reference

1946

384298Reference

362520 (standard)Reference

Location:

On frame, rear-left side near transmission caseReference

—

Capacities

Diameter

33 cmReference

34 cmReference

Width

15 cmReference

168 cmReference

RPM

837Reference

837 (Twin Power)Reference

Speed

901.60 meters/minReference

902.21 meters/minReference

Test results

Belt fuel use (max)

9.8 l/hourReference

—

Max pull

1486 kgReference

—

101 Senior Serial Number Location

101 Senior Serial Numbers

Electrical

Ground

—

positiveReference

Charging system

—

generatorReference

Battery volts

—

6Reference

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.