Stationary Engines |
| Manufacturer | Model / hp | Spark Plug |
| Manufacturer | Model / hp | Spark Plug |
| H C Dodge | With Lycoming | 18 | Lister | 1.5 & 3hp (TVO) | 8 Com |
| Hesselman | ---- | D-7 | Lister | 1.5hp Petrol | 8 Com |
| Hymatic | Compressor (JAP Engine) | J-8 | Lister | D Type | 8 Com |
| Ingersoll-Rand | ---- | D-8 | Lister | Other Engines 18mm | 8 Com |
| Ingersoll-Rand | Compressor | L10S | Manus | ---- | 8 Com |
| J A Prestwich Engines | Models 2A, 2S, 4F, 4/2, 4/3, 5 | L-10 | Massey Harris | VF4 VE4 Wisconsin Eng | 8 Com |
| J A Prestwich Engines | Models 55, & 125cc Two-Strokes | L-10 | Massey Harris | Coventry Victor 4-Cyl Eng | L-10 |
| J A Prestwich Engines | Model 6 and all Paraffin engines | L-10S | Massey Harris | Ferguson Engine TVO Eng | N-7 |
| J A Prestwich Engines | 350cc, 600cc, 750cc 980cc 1323cc | 8 Com | Massey Harris | Ferguson Engine Petrol | L-10 |
| J A Prestwich Engines | Mod 5 (Ransomes & Rapier Type8) | L-10S | Maxim Motors | ---- | 20 |
| J A Prestwich Engines | 34cc and 80cc engines | XL-10 | Meadows | 12/20 Model | 7 Com L |
| J A Prestwich Engines | 600cc 14mm plug | N-8B | Meadows | 25/40 Model | L-10 |
| J A Prestwich Engines | Mark 3 | XL-10 | Monarch Mower | ---- | 8 Com |
| John Bull | 18mm fitting | 7 | Monro | Rototiller 35 & 56 | 7 Com |
| John Bull | 14mm fitting | XL-10 | Monro | Monrotiller Mk2 | 7 Com L |
| Johnson | 18mm fitting | 7 Com L | Monro | Monrotiller Mk3 | L-10S |
| Johnson | 14mm fitting | L-10 | Morris Industrial | ---- | 7 Com |
| J.P. Super Lawn Mower | ---- | C-5 | Morris Industrial | MEB/4a & MEB/5a | N-7 |
| K&L Steel Founders | C6 Petrol & TVO | 8 Com | National Gas Engine | ---- | 17 |
| K&L Steel Founders | B23 Petrol & TVO | 8 Com | Packman | ---- | L-10 |
| Kohler | 18mm fitting except Model K | 7 | Parsons Oil Engines | ---- | 8 Com |
| Kohler | Model K 18mm | 17 | Peerless | ---- | 7 |
| Kohler | 14mm fitting | L-10 | Penta | A4, A2, C, DC6, E, K11, | 17 |
| Landmaster | ---- | 7 Com L | Penta | K21, L2, L4, L6, F | 17 |
| Lipton Products | ---- | L-10 | Penta | HA6, P, Hesselman | D-8 |
| Lister | ACL 4-cyl | 15-A | Penta | M | 8 Com |
