Kubota WG1903-G-E3 Operator's Manual page 59

Type
No. of cylinders - bore x stroke
Total displacement
Brake horse power
Max. torque
Governor type
Ignition system
Fuel used
Lubricating oil capacity
Starter
Total dimensions (L x W x H)
Weight (Dry)
Common tune up specification
Minimum bare idling speed
Maximum bare speed
Ignition timing
Spark plug type / Spark plug gap
Intake / Exhaust valve clearance
Check when engine is cold.
EU engine family name
CO Emission data
2
A Specifications are subject to change without notice.
A LPG regulator with vaporizer operates on a liquid withdrawal type system.
A For the long-range-maintenance models (equipped with Hydraulic Lash Adjuster)
- Maximum bare speed: 2400 rpm
- There is no need to check the valve clearance.
A This CO measurement results from testing over a fixed test cycle under laboratory conditions a(n) (parent) engine
2
representative of the engine type (engine family) and shall not imply or express any guarantee of the performance of
a particular engine.
*1 Large spark-ignition engines non-road transient test cycle
*2 Defined in Annex IX to Delegated Regulation (EU) 2017/654.
Model
mm (in.)
L (cu-in.)
SAE Gross kW(HP) /
intermittent min (rpm)
SAE net kW(HP) /
intermittent min (rpm)
SAE net kW(HP) /
continuous min (rpm)
SAE Gross N-m(lbf-ft) /
intermittent min (rpm)
L (US gals.)
mm (in.)
kg (lbs)
min (rpm)
min (rpm)
deg. BTDC
/ rpm
mm (in.)
mm (in.)
Non-road
g/kWh
steady-state
test cycle
LSI-NRTC*1 g/kWh
SPECIFICATIONS
WG1903-LN-E3
LPG
Vertical, Water-cooled 4 cycle
3- 88 x 102.4 (3.46 x 4.03)
1.868 (114.0)
35.0 (46.9) / 2700
32.9 (44.1) / 2400
31.6 (42.4) / 2700
30.2 (40.5) / 2400
27.0 (36.2) / 2700
25.0 (33.5) / 2400
140 (103.3) / 1400
Electronic Governor
Full transistor battery ignition type
Commercial LPG
7.0 (1.85)
12 V x 2.0 kW
575 (22.6) x 534 (21.0) x 700 (27.6)
167 (368.2)
700
2400, 2700
27 / 2700,
26 / 2400, 8 / 700
NGK IFR6F8DN /
0.7 to 0.8 (0.028 to 0.031)
0.18 to 0.22 (0.0071 to 0.0087)
JKBXB01.9GEA
941.3 (Fuel A*2)
923.7 (Fuel B*2)
938.5 (Fuel A*2)
912.7 (Fuel B*2)
47
Natural Gas
32.5 (43.6) / 2700
30.4 (40.8) / 2400
29.6 (39.7) / 2700
28.1 (37.7) / 2400
25.0 (33.5) / 2700
23.0 (30.8) / 2400
132 (97.4) / 1200
Natural Gas only
39 / 2700,
36 / 2400, 6 / 700
872.7 (G *2)
R
683.7 (G *2)
25
851.9 (G *2)
R
665.7 (G *2)
25