KUBOTA D1305 engine

The Kubota D1305 is a 1.3 L (1,261 cc, 76.95 cubic inches) 3-cylinder water-cooled naturally aspirated diesel engine from Kubota 05-series. The D1305 engine has a spherical type сombustion сhamber with glow plug, Bosch MD type mini fuel injection pump, and mini injection nozzle (DNOPD). The compression ratio rating is 24.0:1. The cylinder bore and the piston stroke are 78.0 mm (3.07 in) and 88.0 mm (3.46 in), appropriately. The Kubota D1305-E3B diesel engine produces up to 28.6 PS (21.0 KW; 28.2 HP) at 3,000 rpm of net horsepower and 29.5 PS (21.7 KW; 29.1 HP) at 3,000 rpm of maximum power. The D1305-E4B engine produces 24.3 PS (17.9 KW; 24.0 HP) at 2,600 rpm of net horsepower and 25.2 PS (18.5 KW; 24.8 HP) at 2,600 rpm of maximum power. Engine code identification: D - Three-cylinder, 13 - Approximate displacement 1300 cc, 05 - Kubota 05 series.

GENERAL TECHNICAL DATA

• Engine model ............... Kubota D1305
• Engine type ............... 4-cycle vertical water-cooled diesel
• Number of cylinders ............... 3
• Cylinder bore, mm (in) ............... 78.0 (3.07)
• Piston stroke, mm (in) ............... 88.0 (3.46)
• Total displacement, L (cu.in) ............... 1.26 (76.95)
• Gross power, kw (hp) ............... 18.5 (24.8)
• Net power, kw (hp) ............... 17.9 (24.0)
• Maximum speed, rpm ............... 2850
• Idling speed, rpm ............... 1000-1100
• Maximum torque, Nm (lb-ft) ............... 80.2 (59.4)
• Torque speed, rpm ............... 1700
• Aspiration type ............... Naturally aspirated
• Combustion Chamber ............... Spherical type
• Direction of rotation ............... Counter-clockwise
• Compression ratio ............... 24:1
• Firing order ............... 1-2-3
• Lubricating system ............... Forced lubrication by pump