| Production | |
| Manufacturer | J.I. Case |
| Industrial tractor | |
| J.I. Case 420B Engine | |
| J.I. Case 2.4L 4-cyl gasoline | |
| J.I. Case 420B Transmission | |
| 8-speed torque convertor | |
| J.I. Case 420B Power | |
| Engine (gross) | 47 hp 35.0 kW |
| Drawbar (claimed) | 33 hp 24.6 kW |
| Mechanical | |
| Two-wheel drive | |
| Power steering | |
| Disc brakes | |
| Open operator station. |
| Photos | |
| No photos of the J.I. Case 420B are currently available. To submit yours, email it to Peter@TractorData.com. Photos may only be used with the permission of the original photographer. | |
| Capacity | |
| Fuel | 13.7 gal 51.9 L |
| Hydraulic system | 18 gal (loader backhoe) 68.1 L |
| Steering | 1 qts 0.9 L |
| Hydraulics | |
| Type | open center |
| Capacity | 18 gal (loader backhoe) 68.1 L |
| Pump flow | 21 gpm 79.5 lpm |
| Steering cap. | 1 qts 0.9 L |
| Tractor hitch | |
| Type | Case Eagle Hitch |
| Power Take-off (PTO) | |
| Rear PTO | independent OptOptional |
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 541@1970 |
| Dimensions & Tires | |
| Wheelbase | 75.25 inches 191 cm |
| Weight | 2918 to 7740 pounds |
| Front tire | 7.50-16 |
| Rear tire | 13-24 |
| J.I. Case 420B attachments | |
| front-end loader | |
| backhoe | |
| Belt Pulley | |
| Diameter | 10.25 inches 26 cm |
| Width | 6 inches 15 cm |
| RPM | 1180 |
| Speed | 3060 ft/min 932.69 meters/min |
| Electrical | |
| Ground | positive |
| Charging system | generator |
| Battery volts | 12 |
| Battery AH | 50 |
| References | |
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| Model 420 published in 1958, by J.I. Case | |
| Operator's Instruction Manual 420B Wheel Tractor (9-721) published in 1958 | |
| Case + Terratrac - Now united to serve you better! published in 1957, by J.I. Case |
| Page information | |
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| 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 28, 2025 |