Kubota DG972 E2, Applications Manual, Page: 7 / 93

0-2
NOTE
• *1 Consult Kubota for further information.
• *2 LPG regulator with vaporizer operates on a liquid withdrawal type system.
Model
Item
WG972-G-E3 WG972-GL-E3
Type
Vertical, water cooled
4-cycle Gasoline engine
Vertical, water cooled 4-cycle Dual Fuel
(Gasoline/LPG)
Gasoline fuel LPG fuel
Number of cylinders 3
Cylinder bore x Stroke mm (in) 74.5 (2.93) x 73.6 (2.90)
Total displacement L (cu. in) 0.962 (58.7)
High idle min
-1
(rpm) 3850
Low idle min
-1
(rpm) 1500
Brake horse
power
SAE J1995 Gross
intermittent
kW (HP) /
min
-1
(rpm)
24.2 (32.5) / 3600 23.1 (31.0) / 3600
SAE J1349 Net
intermittent
23.1 (31.0) / 3600 22.0 (29.5) / 3600
SAE J1349 Net
continuous
18.7 (25.0) / 3600 17.5 (23.5) / 3600
ISO Gross 24.2 (32.5) / 3600 23.1 (31.0) / 3600
ISO Continuous 18.7 (25.0) / 3600 17.5 (23.5) / 3600
JIS B8002 Net
Intermittent
23.1 (31.0) / 3600 22.0 (29.5) / 3600
JIS B8002 Continuous 18.7 (25.0) / 3600 17.5 (23.5) / 3600
Max. torque (SAE J1349)
N·m (ft-lb)
min
-1
(rpm)
68.6 (50.6) / 2400 64.6 (47.6) / 2400
Compression ratio 9.2
Firing order 1 − 2 − 3
Ignition timing B.T.D.C. 8 ° / 1000 min
-1
(rpm) B.T.D.C. 21 ° / 3600 min
-1
(rpm) *1
Ignition system Distributor-less Solid State type
Fuel
Unleaded
gasoline
Commercial
LPG *2
Direction of rotation Counter-clockwise from flywheel side
Starting system Electric starting with cell starter
Starter output V-kW 12
−
1.0
Alternator output V-W 12-480 (Standard)
Lubricating system Forced lubricating by trochoid pump
Lubricating oil Quality better than SH class
Lubricating oil capacity L (U.S. gal) 3.4 (0.90)
Catalytic Muffler / Converter Three Way Catalyst
Coolant capacity (with radiator) L (U.S. gal) 3.5 (0.92)
Governor type Centrifugal ball mechanical type governor
Dimensions (L x B x H) mm (in)
BBH : 452.6 x 416.4 x 502.5 (17.82 x 16.39 x 19.78)
SAEH : 525.5 x 416.4 x 502.5 (20.69 x 16.39 x 19.78)
Dry weight kg (lb) Approx. 72.0 (159)