1-7
4. COMPONENT MASS LIST
Unit: kg
Item MC815CWM
Engine assembly
• Engine (without coolant oil)
• Engine accessories
• PTO assembly
• Hydraulic pump
332.2
215
79.8
8.9
28.5
Oil cooler assembly 9.4
Crane frame assembly 1302.5
Operator seat assembly (including seat)
• Operator seat
45.0
10.0
Fuel tank (without fuel) 55.0
Hydraulic oil tank (without hydraulic oil) 37.3
Crane control valve assembly 48.6
Travelling / outrigger control valve assembly 72.9
Slewing system assembly (including slewing bearing,
reducer, and motor)
• Slewing bearing
• Slewing reducer
• Slewing motor
250.1
155.0
60.0
8.8
Rotary centre joint 47.4
Track frame assembly (with track shoe)
• Track frame
• Carrier roller
• Track roller
• Idler cushion assembly (with recoil spring)
• Idler assembly
• Sprocket
• Traveling motor (with reducer)
• Track shoe assembly
1390.2
390.3
3.3×2
7.4×10
13.5×2
55.9×2
12.4×2
54×2
304.7×2
Outrigger assembly (excluding outrigger cylinder) 428.5×4
Boom assembly (with telescopic cylinder assembly) 1732
Winch assembly 214.1
Hook block assembly 84.5
Derrick cylinder assembly 231.4
Telescopic cylinder assembly 417.9
OR cylinder assembly 71.7×4
Slide cylinder assembly 35.9×4
Wire rope (6 ×Fi (29) IWRC O/O S type 10 × 150 m)
66.0
Machine mass (standard) 9460
Machine mass (searcher hook) 9520
Machine mass (engine and electric motor) 9700
Machine mass (fly jib) 9950
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