Find a Distributor

TX-12 + TX-12 PRO

PACCAR’s TX-12 transmission series is the lightest in its class. Featuring a weight-saving robust aluminum housing and a cooler-less lubrication system, with up to 1,850 LB.-FT. torque capability, this heavy-duty transmission delivers an impressive combination of performance and efficiency. Fully integrated communication between the engine and transmission smooths operation and offers excellent overall gear ratio coverage, with exceptional low-speed maneuverability.

TX-12 image

SEE THE AUTOMATED TRANSMISSION IN ACTION

DISCOVER INTEGRATION

Electrical System

The internal electrical system minimizes exposure and corrosion of wires and connectors, greatly reducing maintenance needs.

DISCOVER INTEGRATION

Gear Ratio

The PACCAR TX-12 offers the best overall gear ratio coverage with superior low-speed maneuverability.

DISCOVER INTEGRATION

Lightest in Class

The purpose-built automated transmission does more than fully integrate with the PACCAR MX Engines – its durable aluminum housing makes it the lightest 12-speed transmission in its class.

DESIGNED FOR THE DISTANCE

The PACCAR TX-12 Series seamlessly integrate with the PACCAR Engines for superior performance and driver comfort. The lightweight design and trusted dependability increase the return on your investment, no matter the distance.

HARDWARE TX-12 TX-12 PRO
Forward Gears 12 12
Reverse Gears 2 2
Clutch Heavy Duty Extreme Duty
Oil Cooler No No
Oil Temperature and Pressure Sensor Yes Yes
Transmission Mounted PTO 8-bolt bottom std., 4-bolt rear option 8-bolt bottom std., 4-bolt rear std.
System Weight 657 lbs. 665 lbs.
Oil Capacity 16 pts. 16 pts.
CAPABILITIES TX-12 TX-12 PRO
Max GCWR 110,000 lbs. 70,000 lbs.
Max Engine Torque 1,850 lbs.-ft. 1,700 lbs.-ft.
Max Engine Horsepower 510 HP 455 HP
Lower Speed Cruise Speed Limit 1,025 1,200
Max PTO Output 95 HP combined 95 HP combined
Mobile PTO Yes Yes
Split Shaft PTO No No
Compatible Engines PX-9, MX-11, MX-13 PX-9, MX-11
TYPICAL APPLICATIONS TX-12 TX-12 PRO
Car Hauler, Inter-city, Highway Delivery, Linehaul Dump, Municipality, Tanker, Tractor
WARRANTY TX-12 TX-12 PRO
Transmission
Line Haul 5 years / 750K MI. / 1.2M KM.
Standard (Construction, Pickup, Delivery) 3 YRS / 300K MI. / 480K KM.
Clutch
Line Haul 3 years / 350K MI. / 560K KM.
Pickup and Delivery 3 years / 350K MI. / 560K KM. 3 years / 350K MI. / 560K KM.
Construction 3 years / 300K MI. / 480K KM. 3 years / 300K MI. / 480K KM.
MAINTENANCE TX-12 TX-12 PRO
Lubrication Interval
Line Haul 750K MI. / 1.2M KM.
Standard (Construction, Pickup, Delivery) 250K MI. / 400K KM.
Clutch Service Life
Line Haul Maintenance-free Maintenance-free
Standard (Construction, Pickup, Delivery) Maintenance-free Maintenance-free