International Harvester Cub Lo-Boy
| | 1955 - 1968 |
| Utility tractor |
|
| Production |
| Manufacturer | International Harvester
|
| Utility tractor |
| Built in Louisville, Kentucky, USA |
| The Cub Lo-Boy is very similar to the standard Cub. The Lo-Boy using shorter front end spindles and rotating the final drive made the Lo-Boy about 8 inches shorter than the standard Cub. Both the standard Cub and the Lo-Boy had the IH "Cultivision" offset engine and steering. |
| International Harvester Cub Lo-Boy Power |
| Engine | 13.4 hp 10.0 kW
|
| Drawbar (claimed) | 10 hp 7.5 kW
|
| PTO (claimed) | 11 hp 8.2 kW
|
| Belt (claimed) | 9.76 hp 7.3 kW
|
| Plows | 1 (12 inch)
|
| Mechanical |
| Two-wheel drive |
| Final drives | bull gear
|
| Manual steering |
| Open operator station. |
| Hydraulics |
| Type | open center
|
| Pressure | 1200 psi 82.7 bar
|
| Pump flow | 2.8 gpm 10.6 lpm
|
| Tractor hitch |
| Type | IH Fast Hitch OptOptional
|
| Power Take-off (PTO) |
| Rear PTO | independent
|
| Rear PTO Type | Cub-10 (0.9375)
|
| Engine RPM | -1800@1800
|
| Cub Lo-Boy Serial Number Location |
 |
| Serial number plate on the front-right side of the tractor, behind the steering gear housing. |
| Cub Lo-Boy Serial Numbers |
| 1955 | 501
|
| 1956 | 2555
|
| 1957 | 3929
|
| 1958 | 6582
|
| 1959 | 10567
|
| 1960 | 12371
|
| 1961 | 13904
|
| 1962 | 15506
|
| 1963 | 16440
|
| 1964 | 17927
|
| 1965 | 19406
|
| 1966 | 21176
|
| 1967 | 23115
|
| 1968 | 24481
|
| Final | 26007
|
FAQ: How to read a serial number table.
|
| Electrical |
| Ground | positive (early)
|
|   | negative (late)
|
| Battery volts | 6 (early)
|
|   | 12 (late)
|
| References |
 |
| Buyers Guide International Industrial Tractors & Equipment published in 1960, by International Harvester |
| Industrial Tractors and matched equipment published in 1960, by International Harvester |
| Industrial Tractors & Equipment Buyers Guide published in 1962, by International Harvester |
| Farm Loaders published in 1962, by International Harvester |
| Farm Loaders published in 1970, by International Harvester |
| Spring 1968 Buyer's Guide published by International Harvester |
| Summer-Fall 1968 Buyer's Guide published by International Harvester |
| Cub Lo-Boy and Cub Tractors published in 1966, by International Harvester |
| Cub Lo-Boy Tractor published by International Harvester |
 |
| International Cub and Cub Lo-Boy Tractors (1 014 031 R3) published in 1959 |
| International Cub and Cub Lo-Boy Tractors (1 014 488 R4) published in 1965 |
| International Cub and Cub Lo-Boy Tractors (1 014 488 R8) published in 1975 |
| Page information |
 |
| Copyright 2026 TractorData.com® |
| Email me: Peter@TractorData.com |
| TractorData is a family-owned small business located in Minnesota. I have been researching tractor history and providing specifications for free since 1999. |
| Peter Easterlund - owner/author |
| This machine's data modified on September 7, 2026 |
©2000-2026 - TractorData.com®. Notice: Every attempt is made to ensure the data listed
is accurate. However, differences between sources, incomplete listings,
errors, and data entry mistakes do occur.
Consult official
literature from the manufacturer before attempting any service or repair.