Product Details

heavy truck transmission gearbox 1700020-KQ700 Fast 9JS119B.

Our main transmission gearbox products are as follows:

1). Chaolida truck and luxury bus transmission and spare parts manufactured by our factory for series gearbox instead.
2). Wholesale Dongfeng gearboxes (EQ1061, EQ140, EQ145/5, EQ145/6 and NB)
3). Shanxi Fuller and Fast gearboxes (6J95T, 7DS100, 7DS118, 8JS100, 8JS118, 8JS130T, 8JS85E, 9JS119, 9JS135, 9JS150, 9JS180, 11509C/F, 12JS160T and 12JS200T)
4). Jiefang transmission products (142, 6T53, CA640, CA680, CA950 and CA980)
5). Hangzhou gearboxes (HC6H-85, HC6H-90, HC7H-115 and HC6H-120)
6). Jiangshan gearboxes (JS850G and JS850B)

7).Datong transmission gearbox DC5J80T,DC6J70T,DC6J80T,DC6J85T,DC6J90T,DC7J100T,DC7J110T,DC7J120T.

General Technical data:

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

Structure Characteristics:

1.The integral design of Front section and Auxiliary section of transmission,Front section of transmission operated manually,Auxiliary section operated by air,9 forward.

2.All twin countershafts driving in Front section and Auxiliary section of transmission,Floating mainshafts (M/S) and gears on it,Not using the needle bearing on all gears, M/S.

3.Be able to operated by Single H or Double H, Single bar or Double bar, In either Left or right sides and in remote two ways (Front and back).

4.Being equipped with front all power PTO, bottom PTO and rear PTO.

5.Short Axial size, Light weight, Big load - bearing capacity, reliable usage, convenient service.

Factory Showcase: