12HP Vertical General Engine

12HP Vertical General Engine

12HP Vertical General Engine

ITEM NO.	Units	1P88F-1(12HP)	1P90F-1(14HP)	1P92F-1(16HP)	2P80F (25HP)
General Engine Configuration
Engine Type		4 stroke cycle
Combustion System		spark ignition
Crank Shaft Orientation		vertical cank shaft , PTO down
Crankshaft rotation,from PTO end		counter-clockwise
Cylinders Orientation		horizontal
Cylinders Material		cast iron
Number of cylinders		1	1	1	2(V90º)
Firing order		1	1	1	2
Displacement	cc	413	432	452	764
Bore and Stroke	mm	88×68	90×68	92×68	80×76
Bore/Stroke Ratio		1.294	1.324	1.353	1.053
Compression Ratio		8.1	8.2	8.8	8.7
Valve Train Configuration		OHV	OHV	OHV	OHV
Valves per Cylinder		2	2	2	2
Aspiration		natural	natural	natural	natural
Charge Air Cooling		no	no	no	no
Cooling System		fan , air	fan , air	fan , air	fan , air
Crankcase Ventilation		positive	positive	positive	positive
Bearings, Main and Connecting Rod		rolling and sliding	rolling and sliding	rolling and sliding	sliding
Physical Requirements
Overall Size(maximum, L × W × H)(without crankshaft )	mm	430×380×300	430×380×300	430×380×300	466×480×356
Weight,dry(maximum)	kg	31	31	31	42
Center of Gravity(x,y,z from geometric center)	mm
Crankshaft PTO(diameter × length)	mm	25.4×79.5	25.4×79.5	25.4×79.5	25.4×80.5 or 28.6×100
Crankshaft Keyway	mm	6.34	6.34	6.34	6.34
Crankshaft Threads (internal)		7/16-20 UNF-2B	7/16-20 UNF-2B	7/16-20 UNF-2B	7/16-20 UNF-2B
Exterior Appearance		black	black	black	black
Governor System
Governor Type		mechanical	mechanical	mechanical	mechanical
High Idle Speed	rpm	2800±100	2800±100	2800±100	3000±100
Low Idle Speed	rpm	1850±100	1850±100	1850±100	1650±100
Governor Droop(% rpm,no  load to max power,maximum)	%

12HP Vertical General Engine