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The Kohler TH650 is a 653 cc (39.8 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine from the Triad series,

The Kohler TH575 is a 574 cc (35.0 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine from the Triad series,

The Kohler TH520 is a 519 cc (31.7 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine from the Triad series,

The Kohler TH18/TH18S is a 574 cc (35.0 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine from the Triad series,

The Kohler TH16/TH16S is a 519 cc (31.7 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine from the Triad series,

The Kohler XTR-7 is a 173 cc (10.6 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the Courage XT

The Kohler XT-7 is a 173 cc (10.6 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the Courage XT

The Kohler XT775 is a 173 cc (10.6 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the XT series,

The Kohler XT650 is a 149 cc (9.1 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the XT-series, manufactured

The Kohler XT675 is a 149 cc (9.1 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the XT-series, manufactured

The Kohler HD1100 is a 224 cc (13.7 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the HD-series, manufactured

The Kohler HD950 is a 200 cc (12.2 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the HD-series, manufactured

The Kohler HD675 is a 149 cc (9.1 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the HD series,

The Kubota Z851 is a 0.9 L (867 cc, 52.9 cu·in) straight-two, water-cooled, naturally aspirated, indirect injection, vertical diesel engine,

The Kohler HD775 is a 173 cc (10.6 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the HD series,

The Kohler KS595 is a 541 cc, (33.0 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the 5400 series,

The Kohler KS590 is a 541 cc, (33.0 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the 5400 series,

The Kohler KS540 is a 541 cc, (33.0 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the 5400 series,