Tractor · 1938Unverified
Massey-Harris 101S Super
Massey-Harris 101S Super — Standard-tread tractor · 36 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
36 hp
Max power
23.0 kW
Weight
1753 kg
Hover a source tag to verify
Overview
ManufacturerMassey-HarrisReference
Standard-tread tractorReference
Total built8,647Reference
Original price$1,700 (1946)Reference
The Massey-Harris 101 Super was originally released as simply the 101. When the 101 Junior was released in 1939, this tractor was named the 101 Super. It was one of the first production tractors to have electric starting as a standard feature. The 101 Super was followed by the 101 Senior, which used a Continental engine.Reference
Two-wheel driveReference
SteeringmanualReference
Mechanical internal expanding brakesReference
Open operator station.Reference
Variants
101SstandardReference
101Rrow-cropReference
Engine
Chrysler 3.3L 6-cyl gasolineReference
Chrysler 3.6L 6-cyl gasolineReference
Fuel tank56.8 LReference
Drawbar (claimed)17.9 kWReference
Drawbar (claimed)20.9 kWReference
Drawbar (tested)23.0 kWReference
Belt (tested)29.9 kWReference
Chrysler T57-503Reference
gasolineReference
6-cylinderReference
liquid-cooled vertical L-headReference
Original engine, used until 1940. With Twin Power engaged, the engine could run at 1800 RPM.Reference
Displacement3.3 LReference
Bore/Stroke79 x 111 mmReference
Rated RPM1500Reference
Starter volts6Reference
Coolant capacity17.0 LReference
ChryslerReference
liquid-cooledReference
Larger engine, used from 1940 on. With Twin Power engaged, the engine could run at 1800 RPM.Reference
Displacement3.6 LReference
Bore/Stroke83 x 111 mmReference
Belt power (max)29.9 kWReference
Max power23.0 kWReference
Transmission
4-speed gearReference
TypegearReference
Gears4 forward and 1 reverseReference
Clutchdry discReference
Four gears (1-4) plus reverse (R) and belt (B). In fourth or belt gears, the Twin Power feature activated a cam on the governor that allowed the engine to run at 1800 RPM.Reference
PTO & Hydraulics
PTO (claimed)26.8 kWReference
PTO (claimed)30.6 kWReference
Rear PTO Type540Reference
Dimensions
Weight1753 kgReference
Front tire6.00-16Reference
Rear tire12.75-24Reference
Ag front6.00-16Reference
Ag rear12.75-24Reference
Ag front28x4.63 (steel)Reference
Ag rear44x10 (steel)Reference
Front tread120 cmReference
Rear tread132 cmReference
101S Super Serial Number Location
On frame, rear-left side near transmission caseReference
101S Super Serial Numbers
1938355001Reference
1939355603Reference
1940356792Reference
1941358188Reference
1942358869Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter33 cmReference
Width15 cmReference
RPM833Reference
Test results
Gasoline 4-speed 2WD standardSeptember 8 - 30, 1938Link: Nebraska Tractor Test 306 fileReference
Belt fuel use (max)13.6 l/hourReference
Drawbar performanceReference
Gear 3 used for power test.Reference
Max pull1619 kgReference
Gear 1 used for pull test.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.