Tractor · 1928Unverified
Twin City 21-32
Twin City 21-32 — Standard-tread tractor · 21 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
21 hp
Max power
23.2 kW
Weight
2667 kg
Hover a source tag to verify
Overview
ManufacturerTwin CityReference
Standard-tread tractorReference
Built in Minneapolis, Minnesota, USAReference
Total built7,229Reference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
Twin City 6.3L 4-cyl keroseneReference
Fuel tank113.6 LReference
Aux. fuel15.1 LReference
Drawbar (claimed)15.7 kWReference
Belt (claimed)23.9 kWReference
Drawbar (tested)23.2 kWReference
Belt (tested)29.2 kWReference
Twin CityReference
keroseneReference
4-cylinderReference
liquid-cooled inlineReference
Displacement6.3 LReference
Bore/Stroke114 x 152 mmReference
Rated RPM1075Reference
Coolant capacity34.1 LReference
Belt power (max)26.8 kWReference
Max power23.2 kWReference
Belt power (max)29.2 kWReference
Max power22.5 kWReference
Transmission
2-speed gearReference
3-speed gearReference
TypegearReference
Gears2 forward and 1 reverseReference
Clutchdry discReference
Gears3 forward and 1 reverseReference
Dimensions
Wheelbase213 cmReference
Weight2667 kgReference
Front tire34x5.75Reference
Rear tire50x12Reference
Ag front34x5.75 (steel)Reference
Ag rear50x12 (steel)Reference
Length347 cmReference
Height167 cmReference
21-32 Serial Number Location
Serial number plate on the left side of the tractor, ahead of the transmission.Reference
Capacities
Diameter40 cmReference
Width19 cmReference
RPM650Reference
Test results
NTTL 127: kerosene 2-speed 2WDReference
NTTL 152: gasoline 3-speed 2WDReference
Kerosene 2-speed 2WDOctober 7 - 13, 1926Link: Nebraska Tractor Test 127 fileReference
Belt fuel use (max)16.3 l/hourReference
Drawbar performanceReference
Max pull2309 kgReference
Gasoline 3-speed 2WDOctober 1 - 8, 1928Link: Nebraska Tractor Test 152 fileReference
Belt fuel use (max)15.1 l/hourReference
Max pull2139 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.