Kubota D722-E4, Руководство оператора

Страница: 37 / 42

25 SPECIFICATIONS
EN
GLISH
A Specifications are subject to change without notice.
A
The battery capacity is indicated in 5-hour ratio.
A
This CO
2
measurement results from testing over a fixed test cycle under laboratory conditions a(n) (parent) engine
representative of the engine type (engine family) and shall not imply or express any guarantee of the performance of
a particular engine.
Model D722-E4 D782-E4 D902-E4
Type Vertical, water-cooled, 4-cycle diesel engine
Number of cylinders 3
Bore and stroke
mm (in.) 67 x 68
(2.64 x 2.68)
67 x 73.6
(2.64 x 2.90)
72 x 73.6
(2.83 x 2.90)
Total displacement
L (cu.in.) 0.719
(43.88)
0.778
(47.46)
0.898
(54.80)
Combustion chamber Spherical Type (ETVCS)
SAE NET Intermittent kW / rpm
H.P. (SAEJ1349) (HP / rpm) 14.0 / 3600
(18.8 / 3600)
13.7 / 3200
(18.4 / 3200)
17.5 / 3600
(23.5 / 3600)
SAE NET Continuous kW / rpm
H.P. (SAEJ1349) (HP / rpm) 12.2 / 3600
(16.3 / 3600)
11.9 / 3200
(16.0 / 3200)
15.2 / 3600
(20.4 / 3600)
Maximum bare speed rpm 3800 3450 3850
Minimum bare idling speed rpm 1250 to 1350 1000 to 1100 900 to 1000
Order of firing 1-2-3
Direction of rotation Counter-clockwise (viewed from flywheel side)
Injection pump Bosch MD Type mini pump
Injection pressure 13.73 MPa, 1991 psi (140 kgf/cm )
Injection timing (Before T.D.C.) 0.35 rad (20 ) 0.296 rad (17 ) 0.331 rad (19 )
Compression ratio 23.5 : 1 24 : 1
Fuel Diesel Fuel No.2-D
Lubricant (API classification) above CF
Dimension mm (in.)
(length x width x height) 426 x 389 x 520
(16.77 x 15.31 x 20.47)
453 x 425 x 544
(17.83 x 16.73 x
21.42)
Dry weight
(BB Spec.) kg (lbs.)
63.1 (139.1) 63.5 (140.0) 72.0 (158.7)
Starting system Cell starter (with glow plug)
Starting motor 12 V, 0.8 kW 12 V, 1.2 kW
Charging generator 12 V, 150 W 12 V, 480 W
Recommended battery capacity
(5Hr capacity)
12 V, 36 AH, equivalent
12 V, 52 AH,
equivalent
EU engine family name HKBXL.778KCB HKBXL.778KCB HKBXL.898KCB
CO
2
Emission data g/kWh
Non-road steady-state test cycle
1019.8 1019.8 1047.4
E.book Page 25 Wednesday, October 7, 2020 7:17 PM