OM 803 us – Edition 3.7 * 803b610.fm
6-3
Technical data
6.4 Stabilizer blade
6.5 Operating hydraulics
6.6 Connection values of Dual Power option
6.7 Electrical system
Stabilizer blade
Model 803
Width with stabilizer blade folded in/out
700/860 mm
(27.6/34 in)
Height
198 mm (7.8 in)
Max. lift over/under subgrade
197/174 mm
(7.8/6.9 in)
Operating hydraulics
Model 803
Pump Tier IV final (up to 2012)
Twin gear pump 2 x 5 cm
3
(2 x 0.3 in
3
)
Pump Tier IV final (from 2012)
Twin gear pump 2 x 4 cm
3
(2 x 0.24 in
3
)
Hydraulic pump displacement
Tier IV final (up to 2012)
2 x 11.35 l/min at 2270 rpm
(2 x 3 gal/min at 2270 rpm)
Hydraulic pump displacement
Tier IV final (from 2012)
2 x 10.7 l/min at 2675 rpm
(2 x 2.8 gal/min at 2675 rpm)
Control valve
9 sections
Max. operating pressure (work and drive hydraulics)
170
±3
bar (2466 psi)
Main pressure restriction
for boom/bucket/stick
170
±3
bar (2466 psi)
Main pressure restriction
for stabilizer blade
170
±3
bar (2466 psi)
Main pressure restriction for swivel drive
(hydraulic motor pressure restriction)
70 bar (1,015 psi)
Filter
Return filter
Hydraulic reservoir capacity
13.8 l (3.65 gal)
Hydraulic system
Operating pressure at excavator connections
Max. 170 bar (2,466 psi)
Oil flow
Max. 20 l/min (5.3 gal/min)
Electrical system
Dynamo
12 V 20 A
Starter
12 V 1.1 kW (1.5 hp)
Battery
12 V 30 Ah