Recoil spring is made of chrome silicon, which provides hardness and superior performance at extremely high stresses.
MAKER
PRODUCT RANGE FOR RECOIL SPRING
CATERPILLAR
E70B-E450, D3C-D8K
KOMATSU
PC20-PC650, D20-D155
HITACHI
EX30-EX600, ZX30-ZX600
DAEWOO/DOOSAN
S50-S500, DH04-DH450
HYUNDAI
R50-R5000
KOBELCO
SK04-SK400, K904-K912
MITSUBISHI
MS110-MS280
SAMSUNG/VOLVO
SE130-SE450, MX3-MX452, EC140-460
SUMITOMO
SH60-SH580, LS2600-LS4300