INFORMATION
WG972-E4, WSM
I-6
• Specifications are subject to change without notice.
*: LPG regulator with vaporizer operates on a liquid withdrawal type system.
9Y1211108INI0003US0
Model
WG972-L-E4 WG972-N-E4
LPG CNG
Number of Cylinder 3
Type Vertical, water cooled, 4-cycle LPG engine Vertical, water cooled, 4-cycle CNG engine
Bore × Stroke 74.5 × 73.6 mm (2.93 × 2.90 in.)
Total Displacement 0.962 L (58.7 cu.in.)
SAE Net Continuous
16.3 kW / 3600 min
-1
(rpm)
21.9 HP / 3600 min
-1
(rpm)
15.0 kW / 3600 min
-1
(rpm)
20.1 HP / 3600 min
-1
(rpm)
SAE Net Intermittent
20.3 kW / 3600 min
-1
(rpm)
27.2 HP / 3600 min
-1
(rpm)
18.8 kW / 3600 min
-1
(rpm)
25.2 HP / 3600 min
-1
(rpm)
SAE Gross Intermittent
22.0 kW / 3600 min
-1
(rpm)
29.5 HP / 3600 min
-1
(rpm)
20.4 kW / 3600 min
-1
(rpm)
27.4 HP / 3600 min
-1
(rpm)
Maximum Bare Speed 3570 to 3630 min
-1
(rpm)
Minimum Bare Idling Speed 970 to 1030 min
-1
(rpm)
Cylinder Head Overhead-Valve
Ignition System Full Transistor Battery Ignition Type
Governor Electronic Governor
Direction of Rotation Counter-Clockwise (Viewed from flywheel side)
Spark Plug NGK BKR6E
Ignition Timing (no-load condition)
0.37 rad (21 °) before T.D.C. /
3600 min
-1
(rpm)
0.49 rad (28 °) before T.D.C. /
3600 min
-1
(rpm)
Firing Order 1-2-3
Compression Ratio 9.2 : 1
Lubricating System Forced Lubrication by Trochoid Pump
Oil Pressure Indication Electrical Type Switch
Lubricating Filter Full Flow Paper Filter (Cartridge Type)
Cooling System Pressurized Radiator (not included in the basic model), Forced Circulation with Water Pump
Starting System Electric Starting with Starter (12 V, 1.0 kW)
Starting Motor 12 V, 1.0 kW
Battery 12 V, 52 AH or equivalent
Charging Alternator 12 V, 480 W
Fuel Commercial LPG* CNG
Lubricating Oil Better than SL Class (API)
Lubricating Oil Capacity 3.4 L (0.90 U.S.gals)
Catalytic Muffler / Converter Three Way Catalyst
Weight (Dry) 77.4 kg (171 lbs)
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