| Production | |
| Manufacturer | Caterpillar |
| Agricultural Crawler tractor | |
| Built in Peoria, Illinois, USA | |
| The Caterpillar R5 was originally a special-order machine for the US Government. It was first based on the Thirty-Five, then the Forty. Later models were the gas counterpart to the RD6. | |
| Caterpillar R5 Engine | |
| Caterpillar 10.1L 4-cyl gasoline | |
| Fuel tank | 50 gal 189.2 L |
| Caterpillar R5 Transmission | |
| 4-speed gear | |
| Caterpillar R5 Power | |
| Drawbar (claimed) | 50 hp 37.3 kW |
| Belt (claimed) | 58 hp 43.3 kW |
| Drawbar (tested) | 49.44 hp 36.9 kW |
| Belt (tested) | 58.89 hp 43.9 kW |
| Mechanical | |
| Drive | crawler |
| Open operator station. | |
| Photos | |
![]() | |
| Dimensions & Tracks | |
| Weight | 13675 lbs 6202 kg |
| 16-inch tracks | |
| R5 Serial Numbers | |
| 1934 | 5E3001 |
| 1935 | 5E3086 |
| 1936 | 5E3421 |
| 1936 | 4H501 |
| 1938 | 4H936 |
| 1936 | 4H1132 |
| 1940 | 4H1320 |
| 1940 | 3R1 |
FAQ: How to read a serial number table. | |
| Belt Pulley | |
| Diameter | 12 inches 30 cm |
| Width | 8.5 inches 21 cm |
| RPM | 950 |
| References | |
![]() | |
| 50 Drawbar Horsepower Tractor published in 1934, by Caterpillar |
| Page information | |
![]() | |
| Copyright 2024 TractorData.com® | |
| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on July 1, 2022 | |
| https://catpublications.com/ - Official operator manuals from Caterpillar. |