| Production | |
| Manufacturer | Chamberlain | 
| Standard-tread tractor | |
| Built in Welshpool, Australia | |
| Total built | 1,484 | 
| Chamberlain 40KA Engine | |
| Chamberlain 6.0L 2-cyl kerosene | |
| Fuel tank | 27.6 gal 104.5 L  | 
| Aux. fuel | 4.2 gal 15.9 L  | 
| Chamberlain 40KA Power | |
| Engine | 48.5 hp 36.2 kW  | 
| Belt (claimed) | 40 hp 29.8 kW  | 
| Mechanical | |
| Two-wheel drive | |
| Final drives | bull gear | 
| Steering | mechanical - recirculating ball | 
| Open operator station. | |
| Photos | |
| No photos of the Chamberlain 40KA are currently available. To submit yours, email it to Peter@TractorData.com. Photos may only be used with the permission of the original photographer. | |
| Power Take-off (PTO) | |
| Rear PTO Type | 540 | 
| Dimensions & Tires | |
| Wheelbase | 83 inches 210 cm  | 
| Weight | 8500 lbs 3855 kg  | 
| Front tire | 7.50x18 | 
| Rear tire | 15.00x30 | 
| 40KA Serial Numbers | |
| 10/1950 | 404 | 
| 1/1951 | 471 | 
| 12/1951 | 1226 | 
| 12/1952 | 1490 | 
| 12/1953 | 1834 | 
| Final | 1887 | 
FAQ: How to read a serial number table.  | |
| Belt Pulley | |
| Diameter | 13 inches 33 cm  | 
| Width | 7 inches 17 cm  | 
| RPM | 810 | 
| Speed | 2740 ft/min 835.15 meters/min  | 
| 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 June 2, 2017 |