Tractor · 1941Unverified
CO-OP B1
CO-OP B1 — Row-Crop tractor · 18 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
18 hp
Max power
10.6 kW
Weight
954 kg
Hover a source tag to verify
Overview
DistributorCO-OPReference
ManufacturerCletracReference
Row-Crop tractorReference
Built in Cleveland, Ohio, USAReference
Total built7,527Reference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
Hercules 1.9L 4-cyl gasolineReference
Fuel tank45.4 LReference
Belt (claimed)13.4 kWReference
Plows1 (14-inch)Reference
Drawbar (tested)10.6 kWReference
Belt (tested)14.4 kWReference
Hercules IXA3Reference
gasolineReference
4-cylinderReference
liquid-cooledReference
Displacement1.9 LReference
Bore/Stroke76 x 102 mmReference
Air cleaneroil bathReference
Compression5.75:1Reference
Rated RPM1400 (drawbar)Reference
Rated RPM1700 (belt)Reference
Starter typemanual startReference
Oil capacity4.7 LReference
Coolant capacity11.4 LReference
Belt power (max)14.4 kWReference
Max power10.6 kWReference
Transmission
3-speed gearReference
TypegearReference
Gears3 forward and 1 reverseReference
Clutch9-inch dry plateReference
Oil capacity9.5 LReference
PTO & Hydraulics
Mid PTO Type560Reference
Dimensions
Wheelbase203 cmReference
Weight954 kgReference
Front tire5.50-16Reference
Rear tire9-24Reference
Ag front5.50-16Reference
Ag rear9-24Reference
Length299 cmReference
Height (hood)139 cmReference
Shipping weight954 kgReference
Ballasted weight1412 kgReference
B1 Serial Numbers
19391FA000Reference
19405FA388Reference
19411FA0086Reference
19421FA6532Reference
FAQ: How to read a serial number table.Reference
Links
Cletrac General GG: article at Yesterday's Tractor CoReference
Capacities
Diameter24 cmReference
Width13 cmReference
RPM1065Reference
Speed861.06 meters/minReference
Test results
Gasoline 3-speed 2WDAugust 10 - 30, 1939Link: Nebraska Tractor Test 323 fileReference
Drawbar performanceReference
Gear 3 used for power test.Reference
Max pull770 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.