OM 28Z3 US – Edition 2.0 * 28Z3b610.fm
6-1
Specifications
6 Specifications
6.1
Chassis
Sturdy steel sheet chassis, rubber-mounted engine
6.2
Engine
6.3
Hydraulic system
Engine
Model 28Z3
Product
Yanmar diesel engine
Type
3TNV76-NNS
Design
Water-cooled 4 stroke diesel engine
No. of cylinders
3
Displacement
1116 cm³ (68,1 in
3
)
Nominal bore and stroke
76 x 82 mm (2.99 x 3.22’’)
Output
15.2 kW at 2500 rpm (20.4 hp)
Max. torque
66.1 Nm at 1800 rpm (48.7 ft.lbs.)
Max. engine speed without load
2675 +/- 25 rpm
Idling speed
1300 +/- 25 rpm
Fuel injection system
Indirect injection
Starting aid
Glow plug (preheating time 4 seconds)
Max. inclined position (engine no longer
supplied with oil):
25° in all directions
Observe the machine's climbing ability (30°/
58 %)!
Exhaust values according to
97/68/EC
EPA
Hydraulics
Model 28Z3
Pump
Double variable displa twin gear
pump
11.5 + 11.5 + 8 + 2.7 cm³
(0.7+ 0.7+ 0.5 + 0.2 in
3
)
Flow rate
28.75 + 28.75 + 20 + 6.75 l/min
(8 + 8 + 5 + 2 gpm)
at 2500 rpm
Service pressure for work and drive hydraulics
225 bar (3263 psi)
Swivel unit service pressure
200 bar (2901 psi)
Hydraulic oil cooler
Standard
Hydraulic tank capacity (system fill)
26.5 l (7 gal)
Summary of Contents for 28Z3
Page 1: ...Track Excavator 28Z3 OPERATOR S MANUAL 5200005459 1 0 0312 5 2 0 0 0 0 5 4 5 9...
Page 43: ...OM 28Z3 US Edition 2 0 28Z3b110 fm 1 15 Introduction 1 11 Symbols from AG01686 Overview...
Page 52: ...1 24 OM 28Z3 US Edition 2 0 28Z3b110 fm Introduction...
Page 66: ...2 14 OM 28Z3 US Edition 2 0 28Z3b210 fm Safety Information...
Page 142: ...3 76 OM 28Z3 US Edition 2 0 28Z3b340 fm Operation...
Page 146: ...4 4 OM 28Z3 US Edition 2 0 28Z3b410 fm Troubleshooting...
Page 188: ...5 42 OM 28Z3 US Edition 2 0 28Z3b560 fm Maintenance...
Page 198: ...6 10 OM 28Z3 US Edition 2 0 28Z3b610 fm Specifications...