HK678 Vtwin are designed for commercial applications like firepumps, construction machines, agriculture equipment, industrial equipment etc to run for long hours and low fuel consumption and with low maintenance cost.

A best replacement solution against the Brands like Briggs and stratton/ vanguard 16 &18hp, Honda GX630 and kohler at very low price.


■Soft tone noise and reduced vibration

■CAE analysis technology are used to optimize design on component, reduces vibration and noise.

■Superior reliability Imported fuel pump, stable and reliable.

■Full pressure lubrication, extends service life.

■Dual-layer cyclone-type air filter are used. Special material filter elements are used to prevent dust entering in engine.

■powerful output 14 ~16 KW / 19~ 21HP

■V-twin cylinder 90 angled OHV design, small size, large displacement, strong power output.

■Optimized valve timing design enhances combustion efficiency and increases power by 5%-10%, compared to same displacement engines.

■Low oil consumption

■Optimized air vent cooling system, equipped with oil cooler, decreases oil temperature. Labyrinth type fuel and air separation structure decreases oil consumption.

■ 12 months Warranty against manufacturing defect

■ Muffler included with the Engine

■ Optional 10 Liter External Fuel tank available as per customer’s choice


Model HK678 Vtwin

Engine Type

V-Twin, 4-stroke, OHV, forced air cooling

Net Power (hp / kW)

19.7 / 14.7 @ 3600 r/min

Gross Power (hp / kW)


21 / 16.4 @ 3600 r/min


Net Torque (Nm)


43.5 @ 2500 r/min


Bore x Stroke (mm)


78 x 71


Displacement (cc)




Compression Ratio


8.5 : 1


Oil Capacity (L)




Fuel Consumption (g/kw h)


≤ 360


Idle Speed


1500 ± 150


Starting System


Electric / Rope


Dimensions (L x W x H mm)


510 x 400 x 450

HK768 With Rope Pull start option.