6-2 OM 28Z3 US – Edition 2.0 * * 28Z3b610.fm
Specifications
6.4 Undercarriage and swivel unit
6.5 Stabilizer blade
6.6 Work hydraulics
Undercarriage/swivel unit
Model 28Z3
2 speed ranges
2.1/3.8 km/h
(1.3/2.4 mph)
Climbing ability
30°/58 %
Track width
300 mm (11.8’’)
No. of track rollers on either side
3
Ground clearance
277mm (11’’)
Ground pressure
0.27 kg/cm² (3.8 psi)
Upper carriage swivel speed
10.25 rpm
Stabilizer blade
Model 28Z3
Width/height
1570/290 mm (5’2’’ / 11.4’’)
Max. lift over/under subgrade
380/419 mm (1’3’’ / 1’4’’)
Work hydraulics
Model 28Z3
Max. service pressure
225
± 3
bar (3263.3 (±43,5) psi)
Main pressure restriction
for boom/bucket/stick
225
± 3
bar (3263.3( ±43,5) psi)
Main pressure restriction
for stabilizer blade
206
- 4/+ 2
bar (2988 (+29 / -58) psi)
Main pressure restriction for pilot control pres-
sure
30
- 0/+ 4
bar (435.1 (+58/ 0) psi)
Main pressure restriction for swivel drive
(hydraulic motor pressure restriction)
200
- 4/+ 2
bar (2900.7 (+29 / -58) psi)
Filter
Return filter
Hydraulic reservoir capacity
26.5 l (7 gal)