Massey-Harris 101 Junior

Massey-Harris 101 Junior Technical Specifications

Massey-Harris 101 Junior is a Row-Crop tractor that was produced by the John Deere between 1939 – 1946.

Below you will find detailed technical specifications for Massey-Harris 101 Junior covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Massey-Harris 101 Junior Production













Manufacturer:
Manufacturer: Massey-Harris
Type: Row-Crop tractor
Factory: Racine, Wisconsin, USA
Massey Harris model 101 Junior gasoline tractors that were destined for the export market were marked as a “102G”.


Massey-Harris 101 Junior Power
















Engine:
Drawbar (claimed): 20.5 hp
15.3 kW
PTO (claimed): 26.3 hp
19.6 kW
Plows: 2
Drawbar (tested): 24.65 hp
18.4 kW
Belt (tested): 30.56 hp
22.8 kW

Massey-Harris 101 Junior Mechanical



















Chassis: 4×2 2WD
Steering: manual
Cab: Open operator station.
Transmission: 4-speed gear

Power Take-off (PTO)




Rear RPM: 540 (1.375)

Title serial numbers






















































Location: On frame, rear-left side near transmission case
1939: 375001 (row-crop)
1940: 376158 (row-crop)
1941: 395570 (row-crop)
1942: 397637 (row-crop)
1943: 398596 (row-crop)
1944: 500003 (row-crop)
1945: 502434 (row-crop)
1946: 503779 (row-crop)
1939: 377001
1940: 377928
1941: 379550
1942: 379815
1943: 379855
1944: 380641
1945: 382569
1946: 384298


how to read serial numbers…

What year is my Massey-Harris 101 Junior? Serial Number Decoder

The serial number list shows the first tractor built in each year. The other tractors for that year will have successively higher numbers. Your serial number should be between two of the stated numbers.

The list only includes the numbers of the first tractors produced in each year. Your serial should be somewhere between two numbers.Unless you happen to be the first person to own a tractor, your number will not appear on the list.

Massey-Harris 101 Junior Engine detail

































Engine Detail
Continental
gasoline
4-cylinder
liquid-cooled vertical L-head
Original engine, used until 1940.
Displacement: 123.7 ci
2.0 L
Bore/Stroke: 3.00×4.375 inches
76 x 111 mm
Air cleaner: oil bath
Compression: 6.7:1
Rated RPM: 1500
Starter volts: 6
Coolant capacity: 11 qts
10.4 L



Massey-Harris 101 Junior Transmission overview

Engine Oil






Type: gear
Gears: 4 forward and 1 reverse

Massey-Harris 101 Junior Dimensions
















Wheelbase: 83.5 inches
212 cm (row-crop)
  78 inches
198 cm (standard)
Weight: 3400 lbs
1542 kg
Rear tread: 52 to 88 inches
132 to 223 cm (row-crop)
Rear tread: 52 inches
132 cm (standard)

Massey-Harris 101 Junior Tests

Nebraska Tractor Test 318


































Nebraska Tractor Test 318
124 gasoline 4-speed 2WD
May 22 – 26, 1939
Link: Nebraska Tractor Test 318 file
Belt power (max): 26.27 hp
19.6 kW
Belt fuel use (max): 2.4 gal/hour
9.1 l/hour
Drawbar performance
Max power: 20.47 hp
15.3 kW
Gear 3 used for power test.
Max pull: 3,079 lbs
1396 kg
Gear 1 used for pull test.










Nebraska Tractor Test






























Nebraska Tractor Test
140 gasoline 4-speed 2WD
October 7 – 12, 1940
Link: Nebraska Tractor Test file
Belt power (max): 30.56 hp
22.8 kW
Belt fuel use (max): 2.6 gal/hour
9.8 l/hour
Drawbar performance
Max power: 24.65 hp
18.4 kW
Gear 3 used for power test.
Max pull: 3,278 lbs
1486 kg
Gear 1 used for pull test.

FAQ

Is Massey-Harris 101 Junior a good tractor?

The Massey-Harris 101 Junior is one of the great tractors in the Massey-Harris stable, and it has earned Massey-Harris a fantastic reputation.

How much oil does a Massey-Harris 101 Junior take?

Check out the Massey-Harris 101 Junior 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 Massey-Harris made the 101 Junior?

The Massey-Harris 101 Junior was an agricultural tractor model made from 1939 – 1946

Where is the serial number on a Massey-Harris 101 Junior?

Lookup on frame, rear-left side near transmission case

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