Ruston and Hornsby: Small Engines
Note: This is a sub-section of Ruston and Hornsby
- Introduced the IP (Industrial Paraffin) engine and remained in production until 1928
- 1921 Introduced the AP (Agricultural Paraffin) engine. Available in sizes from 2.5 to 10.5 hp. Remained in production until 1947
- 1921 OK engine. Sizes from 3.5 to 10.5 hp. Remained in production until 1941
- 1922 PR engine. Remained in production until 1932
- Mid-1924 Introduced the Horizontal M type engine. Available in eight sizes from 6 to 36 hp. Remained in production until 1937.
- 1926-30 4PV petrol / paraffin engine rated at 3 bhp at 1,200 rpm.
- 1929 6PS engine introduced
- 1929 HR (single cylinder) engine. Produced until 1965. Ranged from the 1HR (5 bhp) to the 10 HR (87 bhp)
- HRC (twin cylinder) engine
- 1930 The VQ engine introduced
- 1931 The JP engine produced (in conjunction with R. A. Lister and Co)
- 1933 The 2PS engine introduced and continued until 1943
- 1936 The PT engine introduced ranging from 1.5 to 4 hp. Around 12,000 were sold.
- Mid-1930s The VSO, VTO, VWO, VYO, VSH, VTH and VYO engines were introduced
- 1954 The YB vertical diesel engine introduced and rated from 4 to 13 bhp
See Also
Sources of Information