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Peterbilt launches new workhorse transmissions for variety of vocational uses

An 18-speed transmission
The Peterbilt Motors Company PACCAR TX-18 transmission

Peterbilt Motors Company has added the all-new PACCAR TX-18 and TX-18 Pro automated transmissions to the family of PACCAR TX transmissions. The TX-18 Transmission is available in Peterbilt Models 567, 389 and 579 equipped with PACCAR MX engines.

The PACCAR TX-18 was built from the ground up to provide excellent productivity, efficiency and uptime for a superior driver experience. The TX-18 is designed to work exclusively with the PACCAR MX-11 and MX-13 engines. It is the perfect workhorse for a variety of vocational applications including heavy haul, dump truck, and cranes. The combination of the TX-18 transmission and the MX engine provides up to 1,850 lb. ft of torque and is rated up to 140,000 lb. GCWR.

The PACCAR TX-18 transmission features a high-pressure diecast aluminum casing, one-piece serviceable input shaft, helical gearing, precision lubrication system, extreme duty clutch and an integrated clutch housing. 

The PACCAR TX-18 can be configured with an optional transmission cooler to help keep it operating efficiently in the most demanding of workloads. The transmission features 4 application-specific calibrations and comes standard with two PTO openings capable of a combined 160 hp.

The TX-18 has excellent low-speed maneuverability with small, even gear steps through all eighteen forward speeds to ensure a smooth driving experience. A high-speed reverse with up to 6 configurable speeds is available in the TX-18 Pro to increase productivity in demanding applications. An automotive-style, stalk-mounted shifter with Drive, Neutral, Reverse and Manual modes ensure the operation of the TX-18 is simple and intuitive.

Company info

1700 Woodbrook Street
Denton, TX
US, 76205


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