Tractor · 1939Unverified
Massey-Harris 101 Junior
Massey-Harris 101 Junior — Row-Crop tractor · 26 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
26 hp
Max power
15.3 kW
Weight
1542 kg
Hover a source tag to verify
Overview
ManufacturerMassey-HarrisReference
Row-Crop tractorReference
Built in Racine, Wisconsin, USAReference
Massey Harris model 101 Junior gasoline tractors that were destined for the export market were marked as a "102G".Reference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Variants
101 JuniorgasolineReference
102 JuniordistillateReference
Engine
Continental 2.0L 4-cyl gasolineReference
Continental 2.3L 4-cyl gasolineReference
Continental 2.7L 4-cyl gasolineReference
Fuel tank37.9 LReference
Drawbar (claimed)15.3 kWReference
Plows2Reference
Drawbar (tested)18.4 kWReference
Belt (tested)22.8 kWReference
ContinentalReference
gasolineReference
4-cylinderReference
liquid-cooled vertical L-headReference
Original engine, used until 1940.Reference
Displacement2.0 LReference
Bore/Stroke76 x 111 mmReference
Air cleaneroil bathReference
Compression6.7:1Reference
Rated RPM1500Reference
Starter volts6Reference
Coolant capacity10.4 LReference
Continental MFAReference
Larger engine, used from 1940 to 1943.Reference
Displacement2.3 LReference
Bore/Stroke81 x 111 mmReference
Rated RPM1800Reference
Final engine, used from 1943 to 1946.Reference
Displacement2.7 LReference
Bore/Stroke87 x 111 mmReference
Belt power (max)19.6 kWReference
Max power15.3 kWReference
Belt power (max)22.8 kWReference
Max power18.4 kWReference
Transmission
4-speed gearReference
TypegearReference
Gears4 forward and 1 reverseReference
PTO & Hydraulics
PTO (claimed)19.6 kWReference
Rear PTO Type540 (1.375)Reference
Dimensions
Wheelbase212 cmReference
Wheelbase198 cmReference
Weight1542 kgReference
Front tire5.00-15Reference
Rear tire10.00-36Reference
Ag front5.00-15Reference
Ag rear10.00-36Reference
Ag front4.75-15Reference
Rear tread132 to 223 cmReference
Rear tread132 cmReference
101 Junior Serial Numbers
Location:On frame, rear-left side near transmission caseReference
1939375001 (row-crop)Reference
1940376158 (row-crop)Reference
1941395570 (row-crop)Reference
1942397637 (row-crop)Reference
1943398596 (row-crop)Reference
1944500003 (row-crop)Reference
1945502434 (row-crop)Reference
1946503779 (row-crop)Reference
1939377001Reference
1940377928Reference
1941379550Reference
1942379815Reference
1943379855Reference
1944380641Reference
1945382569Reference
1946384298Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter33 cmReference
Width15 cmReference
RPM837Reference
Speed901.60 meters/minReference
Test results
124 gasoline 4-speed 2WDMay 22 - 26, 1939Link: Nebraska Tractor Test 318 fileReference
Belt fuel use (max)9.1 l/hourReference
Drawbar performanceReference
Gear 3 used for power test.Reference
Max pull1396 kgReference
Gear 1 used for pull test.Reference
140 gasoline 4-speed 2WDOctober 7 - 12, 1940Link: Nebraska Tractor Test fileReference
Belt fuel use (max)9.8 l/hourReference
Max pull1486 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.