Commercial vehicles - Latil to Scammell |
| Manufacturer | Model / hp | Spark Plug |
| Manufacturer | Model / hp | Spark Plug |
| Latil | 14mm fitting | L-10 | Opel | Blitx 2 litre & 3.5 litre | 8 Com |
| Leyland | ---- | 11 Com | Opel | 1.1 & 1.5 litre 4 cylinder | J-8 |
| Leyland | Long Reach | 7 Com L | Opel | Blitz 2.5 litre | J-8 |
| Leyland | Comet 1945-on | N-8B | Opel | Blitz 3.5 litre | L-10S |
| Liberty | ---- | 1 Com | Opel | 3.6 litre 6 cylinder | L-10S |
| Lister | Auto Truck | 7 | Opel | 3 ton A & S 3.6 litre | L-10S |
| Manchester | 7/8" SAE fitting | 22 or 20 | Opel | 30 cwt 35 cwt | J-8 |
| Manchester | 18mm fitting | 11 Com | Opel | 3.6 litre engine | L-10S |
| Maudslay | ---- | 11 Com | Pagefield | ---- | 11 Com |
| Maudslay | 2-3 ton | J-8 | Peugot | 18mm fitting | 7 |
| Morris Commercial | 15/20cwt to 1938 | 7 | Peugot | 14mm fitting | J-8 |
| Morris Commercial | 15/20 cwt 1939 on | N-8B | Reliant | 6cwt & 10cwt | L-10 |
| Morris Commercial | 25cwt LC & PV 1940 | L-10 | Renault | Culbuteurs | 17 |
| Morris Commercial | 30cwt 4 cylinder | 7 Com L | Renault | Gazogenes | 17 |
| Morris Commercial | 30cwt 6 cylinder | 7 Com L | Renault | Autocars 18mm fitting | 17 |
| Morris Commercial | 2ton 4 & 6 cylinder | 7 Com L | Renault | Autocars 14mm fitting | H-10 |
| Morris Commercial | 3 ton 6 cyl - 5ton 4 & 6 cyl | 7 Com L | Renault | 1953 onwards | L-10 |
| Morris Commercial | 3 ton truck FER | N-8B | Rover | Land-Rover all models | N-8B ** |
| Morris Commercial | SEA LEA engines ½" reach | L-10 | Shelvoke & Drewry | Freighter | 11 Com |
| Morris Commercial | SEA LEA engines ¾" reach | N-8B | Shelvoke & Drewry | 1949 on | 7 Com L |
| Morris Commercial | 1 ton 1½ ton 5 ton 1955 | N-8B | Saurer | ---- | 7 Com |
| Morris Vans | 18mm fitting | 7 | Saurer | BL BW CR | 11 Com |
| Morris Vans | J & Z 10cwt van & pickup | L-10 | Scammell | 18mm fitting | 11 Com |
| Morris Vans | 1953 on OHV 5cwt van & pickup | NA-8 | Scammell | 14mm fitting | N-8B |
| Multiwheeler | ---- | 11 Com | Scammell | Mechanical Horse | 7 Com |
| Opel | 1.3 litre 4cylinder | 7 | Scammell | Scarab 3 ton 6 ton | 7 Com |
