List of small gasoline RATO engines with horizontal or vertical shaft, which are produced by Chongqing Rato Technology Co., Ltd for use with numerous machines both in the industrial sector on compressors, high pressure washers and generators, and in the agricultural sector on tillers, bio-shredders, air machines, flail mowers and woodcutters.
| Engine | Displacement | Power output (max.) | Bore & Stroke |
| GASOLINE ENGINES | |||
| R-series | |||
| R80 | 79 cc (4.8 cu.in.) | 2.0 HP at 2,500 rpm | 52 x 37 mm (2.05 x 1.50 in.) |
| R100 | 98 cc (6.0 cu.in.) | 3.0 HP at 3,600 rpm | 56 x 40 mm (2.20 x 1.60 in.) |
| R160 | 163 cc (9.9 cu.in.) | 5.5 HP at 3,600 rpm | 68 x 45 mm (2.68 x 1.77 in.) |
| R180 | 179 cc (10.6 cu.in.) | 6.0 HP at 3,600 rpm | 65 x 45 mm (2.56 x 1.77 in.) |
| R200 | 196 cc (12.0 cu.in.) | 6.5 HP at 3,600 rpm | 68 x 54 mm (2.68 x 2.13 in.) |
| R210 | 212 cc (12.9 cu.in.) | 7.0 HP at 3,600 rpm | 70 x 55 mm (2.76 x 2.16 in.) |
| R225 | 223 cc (13.6 cu.in.) | 7.5 HP at 3,600 rpm | 70 x 58 mm (2.76 x 2.28 in.) |
| R270 | 270 cc (16.5 cu.in.) | 9.0 HP at 3,600 rpm | 77 x 58 mm (3.03 x 2.28 in.) |
| R280 | 277 cc (16.9 cu.in.) | 10.0 HP at 3,600 rpm | 78 x 58 mm (3.07 x 2.28 in.) |
| R300 | 301 cc (18.4 cu.in.) | 12.0 HP at 3,600 rpm | 80 x 60 mm (3.16 x 2.36 in.) |
| R390 | 389 cc (23.7 cu.in.) | 13.0 HP at 2,500 rpm | 88 x 64 mm (3.50 x 2.50 in.) |
| R420 | 420 cc (25.63 cu.in.) | 15.0 HP at 3,600 rpm | 90 x 66 mm (3.54 x 2.60 in.) |
| R440 | 440 cc (26.85 cu.in.) | 16.0 HP at 3,600 rpm | 92 x 66 mm (3.62 x 2.60 in.) |
| R670 | 670 cc (40.9 cu.in.) | 23.0 HP at 3,600 rpm | 78 x 70 mm (3.07 x 2.76 in.) |
| RS-series | |||
| RS100 | 98 cc (6.0 cu.in.) | 3.0 HP at 3,600 rpm | 52 x 46 mm (2.05 x 1.81 in.) |
| RVM-series | |||
| RVM110 | 113 cc (6.9 cu.in.) | 2.0 kW at 3,600 rpm | 60 x 40 mm (2.36 x 1.57 in.) |
| RV-series | |||
| RV110 | 113 cc (6.9 cu.in.) | 2.0 kW at 3,600 rpm | 60 x 40 mm (2.36 x 1.57 in.) |
| RV140 | 140 cc (8.54 cu.in.) | 4.0 HP at 3,600 rpm | 65 x 42 mm (2.56 x 1.65 in.) |
| RV150 | 150 cc (8.54 cu.in.) | 2.5 kW at 3,600 rpm | 65 x 45 mm (2.56 x 1.77 in.) |
| RV160 | 163 cc (9.9 cu.in.) | 5.5 HP at 3,600 rpm | 68 x 45 mm (2.68 x 1.77 in.) |
| RV170 | 173.2 cc (10.57 cu.in.) | 6.0 HP at 3,600 rpm | 70 x 45 mm (2.76 x 1.77 in.) |
| RV175 | 173.9 cc (10.61 cu.in.) | 3.0 kW at 3,600 rpm | 70 x 45.2 mm (2.76 x 1.78 in.) |
| RV225 | 223 cc (13.6 cu.in.) | 4.0 kW at 3,600 rpm | 70 x 58 mm (2.76 x 2.28 in.) |
| RV340 | 340 cc (20.75 cu.in.) | 13.0 HP at 3,600 rpm | 88 x 56 mm (3.46 x 2.20 in.) |
| RV670 | 670 cc (40.9 cu.in.) | 23.0 HP at 3,600 rpm | 78 x 70 mm (3.07 x 2.76 in.) |
| DIESEL ENGINES | |||
| Straight-3 | |||
| 3C11 | 1.07 L (65.3 cu.in.) | 18.5 kW at 3,600 rpm | 76 x 78.4 mm (2.99 x 3.07 in.) |
| Straight-4 | |||
| 4D24 | 2.45 L (149.5 cu.in.) | 36.8 kW at 3,000 rpm | 87 x 103 mm (3.42 x 4.05 in.) |
| 4D24T | 2.45 L (149.5 cu.in.) | 48.0 kW at 2,700 rpm | 87 x 103 mm (3.42 x 4.05 in.) |