truck transmission gearbox assy. 10JSD140 transmission

HangChi ZheJiang Gearbox Assy.

Gearbox assy.(HC6-85  HC6-90,HC7-115,HC6-120)

series

code

speed ratio

HC6-85

HC6S-85

1=6.956 2=3.937 3=2.323 4=1.519 5=1 6=0.814 R=6.087

HC6S-85X1

1=7.603 2=4.305 3=2.895 4=1.96 5=1.377 6=1 R=6.653

HC6-90

HC6S-90/A

1=7.059 2=3.959 3=2.358 4=1.486 5=1 6=0.817 R=6.13

HC6S-90X2

1=8.464 2=4.747 3=3.165 4=2.079 5=1.382 6=1 R=7.528

HX7-110

HC7S-110A

1=10.147 2=7 3=4.706 4=3.107 5=2.118 6=1.437 7=1 R=9.265

HC7S-110AX1

1=9.008 2=6.211 3=4.178 4=2.546 5=1.567 6=1 7=0.825 R=8.225

HC6-120

HC6S-120/B

1=8.748 2=5.175 3=3.211 4=2.083 5=1.419 6=1 R=7.528

HC6S-120X1

1=7.428 2=4.424 3=2.745 4=1.543 5=1 6=0.815 R=6.957

Housing material

HT250 high-strength cast iron

Housing hardness

HBS190-240

Gear material

20CrMnTi alloy steel

Surface hardness of gears

HRC58°~62 °

Gear core hardness

HRC33~40

Input / Output shaft material

42CrMo alloy steel

Input / Output shaft hardness

HRC25~30

Machining precision of gears

accurate grinding, 6~5 Grade

Lubricating oil

GB L-CKC220-460, Shell Omala220-460

Heat treatment

tempering, cementiting, quenching, etc.

Efficiency

94%~96% (depends on the transmission stage) 

Noise (MAX)

60~68dB

Temp. rise  (MAX)

40°C 

Temp. rise (Oil)(MAX)

50°C

Vibration

≤20µm

Backlash

≤20Arcmin

Brand of bearings

China Top brand HRB,LYC,ZWZ or other brands requested, NSK…..

Brand of oil seal

NAK--- Taiwan or other brands requested