Idler

The idler assembly for excavator and bulldozer is mainly used as the replacement parts for excavator and bulldozer of well-known brand such as Komatsu, Hitachi, Volvo, and so on.

Our company is adept at the production of heavy equipment parts with forged shell, for example PC400, EC360, and EC460 forged idler for 40 ton’s machine. In addition, we can also manufacture heavy-duty idler, such as PC1250 and D8R.

Technical Parameters of Idler Assembly for Excavator and Bulldozer
Material 35# steel for edge, 16Mn plate steel for idler face, QT450-10 for bracket
Finish Smooth
Colors Black or yellow
Applied Technology Forging, casting
Surface Hardness HRC55-584, depth: 8mm-10mm
Warranty Time 12 months at least
Certification ISO 9001-9002
Delivery Time Within 30 days after deposit
Idler Assembly
Brand Model
KOMATSU PC30 PC40 PC45 PC60 PC75 PC100 PC120 PC150 PC200
PC220 PC300 PC350 PC400 PC600 PC800  PC1250 - -
CATERPILLAR E70B E110 E120B E215 E235 E307 E311 E312 E322
E180 E240 E200B E320 E300 E300B E330 E325 -
DAEWOO DH55 DH200 DH220 DH280 DH300 - - - -
HITACHI EX30 EX40 EX60 EX100 EX120 EX200 EX220 EX270 EX300
EX400 EX600 EX1100 EX1800 - - - - -
FIAT-HITACHI FH130 FH150 FH200 FH220 FH270 FH300 - - -
HYUNDAI R55 R60 R70 R80 R110 R130 R150 R200 R210
R250 R290 - - - - - - -
KATO HD140 HD250 HD400 HD450 HD550 HD700 HD820 HD850 HD880
HD900 HD1220 HD1250 - - - - - -
KOBELCO SK40 SK60 SK100 SK120 SK200 SK220 SK04-2 SK04N2 SK07
SK07N2 SK09 SK12 SK300 SK310 SK400 - - -
MITSUBISHI MS110 MS120 MS180 - - - - - -
SAMSUNG H.I. MX8 SE200 SE210 SE280 MX292 - -  - -
SUMITOMO SH70 SH100 SH120 SH160 SH200 SH260 SH265 SH280 SH300
SH340 LS2650 LS2800 LS3400 LS4300 - - - -
BULLDOZER D20 D3C D30 D31 D37 D40 D41 D45 D50
D53 D57 D58 D60 D63 D65 D68 D75 D80
D85 D95 D135 D150 D155 D355 D3 D3L D3D
D4 D4C D4D D4H D5 D6 D6C D6D D6H
D7 D7G D8K D8N D9N D10 D11  D12 -
  • D8R IDLER
  • PC1250 Casting Shell
Dimensions of Idler Assembly
No. MS Ref. No. Weight(kg) ΦA ΦB ΦC D E F G K ΦL M N Q Type Model
1 MIR03011 83.92 480 450 55 135 58 210 300 283 M12 - 239 80 2 SK100, SK120
2 MIR01031 245 675 634 85 200 100 270 392 - M20 60 350 135 1 E330
3 MIR07021 149.5 570 530 65 165 84 248 340 270 M16 66 280 105 1 PC200-5, PC200-6
Dimensions of Idler Assembly
No. MS Ref. No. Weight(kg) ΦA ΦB ΦC D E F G K ΦL M N Type Model
1 MDI10110 85 539 507 50 112 54 - 300 - 1/2-13 42.8 127 3 D3C
2 MDI00160 357 773 730 68 4 106 - 468 587 M20 95 250 4 D85
3 MDI00180 620 931 885 95 266 127 - 627 642 - 120 355 4 D355
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