The Hatz 1B40V is a 462 cc, (28.19 cu-in) single-cylinder air-cooled 4-stroke internal combustion diesel engine with a vertical shaft, manufactured by Motorenfabrik Hatz GmbH & Co. KG for general-purpose applications.
This engine has a single-cylinder, overhead valves, direct injection fuel system and electric starter motor 12 or 24 Volts.
An 88.0 mm (3.46 in) cylinder bore and 76.0 mm (2.99 in) piston stroke give the 1B40 engine a total of 462 cc, (28.19 cu-in) of displacement. Compression ratio rating is 20.5:1. It produced from 5.2 PS (3.8 kW; 5.1 HP) at 1,500 rpm to 10.2 PS (7.5 kW; 10.1 HP) at 3,600 rpm of maximum output. The torque is 24.9 N·m (2.5 kg·m, 18.4 ft·lb) at 2,300 rpm.
|Type||4-stroke, single cylinder|
|Displacement||462 cm 3 (28.19 cu-in)|
|Max. horsepower||10.2 PS (7.5 kW; 10.1 HP) at 3,600 rpm|
|Max. torque (crank PTO)||24.9 N·m (2.5 kg·m, 18.4 ft·lb) at 2,300 rpm|
|Lubricating system||Forced spray|
|Starting system||Electric starter motor|
|Fuel used||Diesel fuel|
|Fuel tank capacity||5.0 L (1.32 US. gal. 1.1 Imp. gal.)|
|PTO shaft rotation||Counterclockwise (from PTO shaft side)|
Dimensions and Weight
|Length, mm (in)||477 (18.8)|
|Width, mm (in)||394 (15.5)|
|Height, mm (in)||392 (15.4)|
|Dry weight, kg (lb)||55.3 (121.9)|
|Maximum speed||3,600 ± 150 rpm|
|Intake valve||0.10 mm (0.004 in)|
|Exhaust valve||0.10 mm (0.004 in)|
With diesel oxidation catalyst (DOC): ACEA E6|
Without diesel oxidation catalyst (DOC): CF/CH-4, ACEA: B3/E4
|Recommended oil||SAE 5W-30, 10W-30|
|Oil capacity||1.5 L (1.59 US. qt, 1.32 Imp. qt.)|