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Twin City 21-32

The Twin City 21-32 is a tractor produced by Twin City. It is equipped with a 381.7 ci 6.3 L engine. Transmission: 3 forward and 1 reverse. Operating weight: 5880 lbs 2667 kg.

Fuel & Capacities
30 gal 113.6 L
Transmission
3 forward and 1 reverse
Operating Weight
5880 lbs 2667 kg

Overview

Twin City 21-32 tractor photo
1928 - 1938 Standard-tread tractor
Production
Manufacturer
Twin City
Standard-tread tractor
Built in Minneapolis, Minnesota, USA
Total built
7,229
Twin City 21-32 Engine
Twin City 6.3L 4-cyl kerosene
Fuel tank
30 gal 113.6 L
Aux. fuel
4 gal 15.1 L
Engine details ...
Twin City 21-32 Power
Drawbar (claimed)
21 hp 15.7 kW
Belt (claimed)
32 hp 23.9 kW
Drawbar (tested)
31.05 hp 23.2 kW
Belt (tested)
39.1 hp 29.2 kW
Performance test details ...
Mechanical
Two-wheel drive
Manual steering
Open operator station.
Dimensions & Tires
Wheelbase
84 inches 213 cm
Weight
5880 lbs 2667 kg
Front tire
34x5.75
Rear tire
50x12
Full dimensions and tires ...
Belt Pulley
Diameter
16 inches 40 cm
Width
7.5 inches 19 cm
RPM
650
References
21-32 references literature
General Catalog No. 31 published in 1930, by Minneapolis-Moline

Engine

Engine Detail — 381.7 ci / 6.3 L Kerosene

Manufacturer
Twin City
Fuel Type
Kerosene
Configuration
4-cylinder, liquid-cooled inline
Displacement
381.7 ci 6.3 L
Bore/Stroke
4.50x6.00 inches 114 x 152 mm
Rated RPM
1075
Coolant capacity
36 qts 34.1 L
Twin City 21-32 Engine
Twin City 21-32 engine image

Transmission

Transmission options
2-speed gear
3-speed gear

Transmission — 2 forward and 1 reverse gear

Type
gear
Gears
2 forward and 1 reverse
Clutch
dry disc
21-32 gear speeds

Transmission — 3 forward and 1 reverse gear

Type
gear
Gears
3 forward and 1 reverse

Dimensions

Twin City 21-32 Tires
Ag front
34x5.75 (steel)
Ag rear
50x12 (steel)
Dimensions
Wheelbase
84 inches 213 cm
Length
137 inches 347 cm
Height
66 inches 167 cm
Weight
5880 lbs 2667 kg

Tests

Tractor Tests
NTTL 127: kerosene 2-speed 2WD
NTTL 152: gasoline 3-speed 2WD
Nebraska Tractor Test 127
Kerosene 2-speed 2WD October 7 - 13, 1926 Link: Nebraska Tractor Test 127 file
Belt power (max)
35.9 hp 26.8 kW
Belt fuel use (max)
4.3 gal/hour 16.3 l/hour
Drawbar performance
Max power
31.05 hp 23.2 kW
Max pull
5092.5 lbs 2309 kg
Nebraska Tractor Test 152
Gasoline 3-speed 2WD October 1 - 8, 1928 Link: Nebraska Tractor Test 152 file
Belt power (max)
39.1 hp 29.2 kW
Belt fuel use (max)
4.0 gal/hour 15.1 l/hour
Drawbar performance
Max power
30.2 hp 22.5 kW
Max pull
4716.5 lbs 2139 kg

Photos

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Twin City 21-32

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Twin City 21-32.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Twin City 21-32 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Twin City 21-32.

Converted Equivalents:

Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS

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