BRAKE SYSTEMS
• Speeds: 6 forward/1 reverse
• Engine: Cat CT13
• Torque Converter: Cast aluminum design with lock-up clutch
• Clutches: Electro-hydraulic fully modulated, oil-cooled, multidisc
• Maximum Gross Input Power: 550 hp (410 Kw)
• Maximum Gross Input Torque: 1700 lb-ft (2400 N-m)
• Maximum Input Speed: 2500 rpm
• Length: 35.3 inches (896 mm)
• Electronic Interlock: Multiple capabilities to control power, speed, gear selection, direction & PTO operations
• Power Take-Off (PTO): Two side locations & Cat exclusive high output rear PTO
• Side PTO Capacity: 700 lb-ft (950 N-m), rotation same as engine, ratio determined by PTO adaptor
• Rear PTO Capacity: 1000 lb-ft (1356 N-m), rotation opposite of engine, at 1.25 engine speed
• Input Shaft Hydraulic Retarder: Optional
• Overall Weight (approx.): 906 lbs. (411 kg)
• Overall Weight with Retarder Option: 1088 lbs. (494 kg)
• Overall Length with Retarder Option: 39.4 inches (1000 mm)
CAT CX31 AUTOMATIC TRANSMISSION SPECIFICATIONS
» BOOST YOUR PRODUCTIVITY with the industry’s
highest power-to-weight ratio, full power shifting
and quick acceleration.
» IMPROVE YOUR FUEL ECONOMY with ideal speed
and torque combinations.
» FIND, TRAIN AND RETAIN productive drivers
with easy-to-learn and simple-to-operate
automatic shifting.
» ENHANCE JOBSITE SAFETY as drivers no longer
need to operate the clutch or remove their hands
from the wheel.
WHEN YOU WANT TO MAXIMIZE your CT681’s uptime, fuel economy and productivity,
choose the Cat CX31 Automatic Transmission. It’s been used for years in vocational applications
around the world—and it’s performance-matched with your engine to deliver rugged durability,
smooth shifting and optimum power. (Other options include a variety of manual transmissions
and the Ultrashift
®
Plus Vocational Transmission built by Eaton.)
» IMPROVE PERFORMANCE AND SERVICEABILITY
with two side power take-off (PTO) locations
and a Cat exclusive rear PTO.
» REST EASY with warranty and extended service
coverage matched to your engine. Cat dealers
know the CX31 inside and out because they’ve
been supporting it in various on-highway
applications since 2006.
