Lawn tractors & riding mowers
| Model | Engine displacement | Power output | Years |
| H | |||
| H1011 | 337 cc (20.6 cu-in) | 11.0 HP (8.2 kW) at 3,600 rpm | – |
| H2013 | 389 cc (23.7 cu-in) | 13.0 HP (9.7 kW) at 3,600 rpm | 1995-1998 |
| H2113 | 389 cc (23.7 cu-in) | 13.0 HP (9.7 kW) at 3,600 rpm | 1988-1998 |
| H3011 | 337 cc (20.6 cu-in) | 11.0 HP (8.2 kW) at 3,600 rpm | – |
| H3013H | 389 cc (23.7 cu-in) | 13.0 HP (9.7 kW) at 3,600 rpm | – |
| H4013 | 389 cc (23.7 cu-in) | 13.0 HP (9.7 kW) at 3,600 rpm | 1990-1991 |
| H4514 | 359 cc (21.9 cu.in.) | 13.0 HP (9.7 kW) at 3,600 rpm | 1990-1998 |
| H4518 | 635 cc (38.7 cu.in.) | 18.0 HP (13.2 kW) at 3,600 rpm | 1991-1998 |
| H5013 | 389 cc (23.7 cu-in) | 13.0 HP (9.7 kW) at 3,600 rpm | 1991-1999 |
| H5516D | 676 cc (41.3 cu.in.) | 16.0 HP (11.9 kW) at 3,600 rpm | – |
| H5518 | 635 cc (38.7 cu.in.) | 18.0 HP (13.2 kW) at 3,600 rpm | 1991-1999 |
| H6522 | 1,235 cc (75.4 cu.in.) | 22.0 HP (16.2 kW) at 3,000 rpm | 1991-1996 |
| HA | |||
| HA4118 | 614 cc (37.5 cu.in.) | 18.0 HP (13.4 kW) at 3,600 rpm | 1998-2001 |
| HA4120 | 614 cc (37.5 cu.in.) | 20.0 HP (14.9 kW) at 3,600 rpm | 1998-2001 |
| HF | |||
| HF1211 | 337 cc (20.6 cu-in) | 11.0 HP (8.2 kW) at 3,600 rpm | – |
| HF2213 | 389 cc (23.7 cu-in) | 13.0 HP (9.7 kW) at 3,600 rpm | – |
| HF2218 | 614 cc (37.5 cu.in.) | 18.0 HP (13.4 kW) at 3,600 rpm | – |
| HF2315 | 529 cc (32.2 cu.in.) | 13.0 HP (9.8 kW) at 3,600 rpm | – |
| HF2417 | 529 cc (32.2 cu.in.) |
17.0 HP (12.7 kW) at 2,800 rpm 15.2 HP (11.3 kW) at 2,800 rpm |
2004-2020 2020-2021 |
| HF2620 | 614 cc (37.5 cu.in.) | 20.0 HP (14.9 kW) at 3,600 rpm | 2004-2012 |
| HF2622 | 687 cc (41.9 cu.in.) | 22.0 HP (16.4 kW) at 2,800 rpm | 2013-2019 |
| HT | |||
| HT3810 | 406 cc (24.8 cu.in.) | 10.0 HP (7.5 kW) at 3,600 rpm | 1985-1989 |
| HT3813 | 358 cc (21.8 cu.in.) | 13.0 HP (9.7 kW) at 3,600 rpm | 1985-1989 |
| HT4213 | 358 cc (21.8 cu.in.) | 13.0 HP (9.7 kW) at 3,600 rpm | 1987-1989 |
| HT-R | |||
| HT-R3009 | 270 cc (16.5 cu.in.) | 8.5 HP (6.3 kW) at 3,600 rpm | 1985-1988 |
| HT-R3811 | 337 cc (20.6 cu.in.) | 11.0 HP (8.2 kW) at 3,600 rpm | 1985-1988 |
| RT | |||
| RT5000 | 339 cc (20.7 cu.in.) | 11.0 HP (8.2 kW) at 3,600 rpm | 1986-1989 |