Description/Type	Vertical, 4Stroke cycle, Single acting, Totally enclosed, High speed, Compression ignition diesel engine
Model	GMA-4	GMA-5
Power Rating  (bhp)	4	5
(kW)	2.9	3.7
Speed (rpm)	1500	1500
Bore x Stoke (mm)	80X80	87.5X80
Cubic cap. (cc)	402	481
No of cylinder	1	1
Dir. of rotation	Clockwise when looking from the flywheel. Optional- Anticlockwise
Fuel pump/Inject Make/Type	Make Mico/Usha .Type single cylinder flange mounted without camshaft 1no. for single cylinder & 2 nos. for twin cylinder
Fuel inj. pre. (kg/sq.cm)	190/210
Fuel injection timing BTDC (degree)	24	24
Bumping clearance (mm)+	1.4	1.2
Nominal compression ratio	16.5:1	16.5:1
L.O.sump capacity (ltrs)	1.5	1.5
L .O. consumption	0.8 TO 1.2 % of SFC
Governor Type/Class	Type-mechanical centrifugal    Class-B1 or A2 depending on application
Specific fuel consump. (gm/kWh)	251	251
Fuel oil recommended	High speed diesel as per IS :1460
L.O. specification	HD-type 3 as per IS : 496-1982 /SAE 20W40
Fuel tank capacity (ltrs)	3.75	3.75
Fuel tank  refilling time period ( hrs.). Engine running at full load	4.7	3.8
L.O. system	P.P.	P.P.
Weight Bare/Gross (kg)	90/130	90/130
Overall dimension  bare L x W x H mm	450X420X660
packing L x W x H mm	585X510X705
Starting System	Hand start with cranking handle
Power take off	Flywheel end, Optional Gear end at half speed drive