Maeda MC815C, Operation Manual, Page: 340 / 426

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1. PRINCIPAL SPECIFICATIONS LIST
Equipment/It em MC815CWM
Weight and
dimensions
Machine mass 9460 kg
Overall length × width × height 5900 mm × 1670 mm × 2490 mm
Distance between center idler
and sprocket
2245 mm
Track gauge 1270 mm
Width of crawler 400 mm
Performance
Maximum rated total load ×
working radius
8.09 t × 2.4 m
Maximum working radius 18.8 m
Maximum lifting height above
ground
19.6 m
Winch system
Type
2 gear
hydraulic motor with automatic brake
(differential planetary reduction gear with grooved drum)
Hook hoist speed 20.6 m/min (4 layers, 6 parts of line)
Hoist wire rope IWRC 6 × Fi (29), ø10 × 150 m
Telescoping
system
Type
3 x sequentially telescoping hydraulic cy 1 x wire rope with
in-built sheave (with automated hydraulic locking device)
Type of boom
Automatic hydraulic 5-section pentagonal telescopic
(Stages 2 and 3: Sequential telescoping;
Stages 4 and 5: Simultaneous telescoping)
Boom length 5.52 m - 8.99 m - 12.46 m - 15.93 m - 19.40 m
Boom telescoping stroke / time 13.88 m/52 sec
Boom hoist
system
Type
Hydraulic double acting cylinder, direct acting type × 1
(with automated hydraulic locking device)
Derricking angle 0 to 80 degrees/22.9 sec
Slewing system
Type
Swing bearing support, hydraulic motor driven,
Reducer: worm + spur gear reduction, Brake: worm self-lock
Slewing angle 360 degrees continuous / 2.5 min
- 1
Outrigger
System
Type
Extension/grounding: hydraulic cylinder direct acting type
(with automated hydraulic locking device)
Max. extended width
(left to right)
(Front) 6300 mm (Rear) 6520 mm
Max. extended width
(front to rear)
6770 mm
Travelling
system
Type
2 speed hydraulic motor driven, Step-less speed changer,
built-in brake
Travel speed Forward / reverse 0 to 3.2 km/h
Grade ability 23 degrees
Ground pressure 52 kPa (0.53 kgf/cm
2
)
Hydraulic
system
Hydraulic pump
Twin variable piston pump
Hydraulic oil tank capacity 157 L
Engine
Model Yanmar 4TNV88C-NMB
Type
Vertical type inline 4 valve, water cooled, 4 cycle
(direct injection type)
Displacement 2. 189 L (2189 cc)
Rated output (continuous) 30.5 kW/2500 min-1 (41.5 PS/2500 rpm)
Fuel used/fuel tank capacity Diesel / 70 L
Battery Model 120E41R (12 VDC × 1)
Safety device
Over hoist detector / automatic stop device, over-unwinding detector, hydraulic pressure automatic
lock device, wire rope slinging latch, alarm buzzer, level, machine body inclination alarm, lock
lever, travel/outrigger/crane selector switch, outrigger safety device (outrigger interlock, crane
interlock), moment limiter, rotary lamp, radio controller transmitter load display, working radius
limiter (with slewing radius limiter), EMO switch
Classification Mobile crane ISO4301/2 Group A1