Gasoline / LPG / Natural Gas[edit]
WG/DF/DG Series[edit]
Unlike most manufacturers that build their gasoline engines and diesel engines based on different platforms, Kubota builds its gasoline/LPG/NG (natural gas) engines based on its diesel engines. The WG/DF/DG engines are solidly based on Kubota's Super Mini Series, Super 05 Series, 03 Series, and V3 Series diesel engines. This makes most of parts are interchangeable between Kubota's gasoline/LPG/NG engines and diesel engines in the equal engine series.
WG752 / DF752[edit]
3-cylinder inline, liquid-cooled (740 cc)
Bore x Stroke = 68 mm x 68 mm
Max Power / RPM = 24.5 hp (LPG = 23.5 hp) / 3,600 RPM
Max Torque / RPM = 5.7 kgm / 2,320 RPM (LPG = 5.4 kgm / 2,400 RPM)
Dry Weight = 61.7 kg
WG972-G / WG972-L / WG972-N[edit]
3-cylinder inline, liquid-cooled (962 cc)
Bore x Stroke = 74.5 mm x 73.6 mm
Max Power / RPM = 32.5 hp (LPG = 29.5 hp; NG = 27.4 hp)/ 3,600 RPM
Max Torque / RPM = 6.9 kgm / 2,500 RPM (LPG = 6.6 kgm / 1,800 RPM; NG = 6.4 kgm / 2,100 RPM)
Dry Weight = 74 kg (LPG/NG = 77 kg)
DG972[edit]
3-cylinder inline, liquid-cooled (962 cc)
Bore x Stroke = 74.5 mm x 73.6 mm
Max Power / RPM = 23.6 hp / 3,600 RPM
Max Torque / RPM = 5.7 kgm / 2,500 RPM
Dry Weight = 72 kg (with rear end plate) / 95.4 kg (with SAE flywheel and housing)
WG1005 / DF1005[edit]
3-cylinder inline, liquid-cooled (996 cc)
Bore x Stroke = 75.8 mm x 73.6 mm
Max Power / RPM = 32.5 hp (LPG = 31 hp) / 3,600 RPM
Max Torque / RPM = 7.14 kgm / 2,160 RPM (LPG = 6.8 kgm / 2,160 RPM)
Dry Weight = 93 kg
WG1605-G / WG1605-L / WG1605-N[edit]
4-cylinder inline, liquid-cooled (1,537 cc)
Bore x Stroke = 79 mm x 78.4 mm
Max Power / RPM = 57 hp (LPG = 55 hp; NG = 51.5 hp) / 3,600 RPM
Max Torque / RPM = 11.98 kgm / 2,450 RPM (LPG = 12.3 kgm / 2,400 RPM; NG = 11.3 kgm / 2,500 RPM)
Dry Weight = 119 kg (LPG/NG = 120 kg)
WG2503-G / WG2503-L / WG2503-N[edit]
4-cylinder inline, liquid-cooled (2,491 cc)
Bore x Stroke = 88 mm x 102.4 mm
Max Power / RPM = 61 hp (LPG = 61.7 hp; NG = 56.9 hp) / 2,700 RPM
Max Torque / RPM = 17.54 kgm / 1,950 RPM (LPG = 18.2 kgm / 1,400 RPM; NG = 16.2 kgm / 1,050 RPM)
Dry Weight = 212 kg
WG3800-G / WG3800-L / WG3800-N[edit]
4-cylinder inline, liquid-cooled (3,769 cc)
Bore x Stroke = 100 mm x 120 mm
Max Power / RPM = 87.2 hp (LPG = 93.9 hp; NG = 87.2 hp) / 2,600 RPM
Max Torque / RPM = 26.4 kgm / 1,400 RPM (LPG = 29.8 kgm / 1,250 RPM; NG = 27.5 kgm / 1,200 RPM)
Dry Weight = 288 kg