The Classic Machinery Network

Mark, The "JCB 1945-1980" book by Michael D.J.Irwin has a section on early JCB serial numbers. It lists the JCB 3D as starting at S/N115823 in 1977, and 127484 in 1978, so this should put yours as an early 1977 model. The book suggests the MkIII came in 1977, but assume your is therefore a...

Considering replacing the worn out engine in a John Deere 2140 (Model 4039) with a low hours industrial 4.5L John Deere engine, model 4045DF270. It looks like it will fit with the appropriate modifications, accepting the lower power, torque and engine characteristics associated with an industrial un...

I've a circa. 1976 JCB 3C MkII, the steering pump takes its supply from the side of the "oil tank" (which is also more or less the frame of the machine), the take off point is marginally higher than the take off point for the main pump, so low oil seems to hit steering operation first. The...

Morning just joined this site recently and was more or less looking for similar stories to my own, just to see how everyone else did things. Again bought a JCB 3C MkII which didn't have any coolant leeks, but did find the engine hard to start and very smoky, oil in the exhaust etc. I got brave and r...