FAST 8JS85T 8-speed truck transmission
8-Speed Transmission

FAST 8JS85T

FAST 8JS85T 8-speed manual truck gearbox: 850 N·m rated input torque, ratios 8.12–1.00, 9 L oil, 190 kg. Quoted within 24 hours, shipped worldwide.

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Features

  • All-aluminum housing: weight reduced by up to 30%.
  • Lower noise: helical gears in the auxiliary section meet the China VI noise requirements.
  • Shifting upgrade: optional shift booster, a new control common to left- and right-hand layouts, and short-stroke synchronizers in the main section.
  • Higher torque: the strengthened model family reaches up to 950 N·m.

Matching Engines

Engines up to 850 N·m output torque, such as J08E and WP4.6.

Main Parameters

Model 8JS85T
Rated input torque 850 N·m
Shift type Manual
Oil capacity 9 L
Net weight 190 kg

Gear ratios

Gear 1
8.12
Gear 2
6.08
Gear 3
4.47
Gear 4
3.31
Gear 5
2.46
Gear 6
1.84
Gear 7
1.35
Gear 8
1.00
R1
8.12
R2
2.46

Rebuilding instead of replacing?

Overhaul kits and internals for the 8JS85T can be quoted in the same inquiry.

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