Watson & Chalin

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Watson and Chalin (W&C) is a pioneering, global supplier of truck and trailer lift axle systems, trailer suspension systems, specialty suspension systems, loose axles and components to the medium- and heavy-duty transportation industry. With a market focus and customer-driven approach, W&C is committed to delivering custom engineered ride solutions that are durable and reliable for demanding heavy-haul applications in the industry. W&C is committed to the industry and invests in comprehensive research and development to help trucks and trailers benefit from improved uptime. Their operational excellence is guided by leadership principles in product development, quality workmanship and dedicated customer service. With this philosophy, W&C will create and sustain added value to exceed the demands of their customers.

If you are looking for Watson & Chalin replacement parts, visit our W&C Parts landing page. If you would like to both purchase and install any and all suspension products, fill out a quote request form, and we will get back to you as soon as possible!

W&C PARTS LANDING

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SL - STEERABLE LIFT AXLES

SL8K

Supporting capacity of 8,000 Lbs.
Ride heights up to 19 in.
Six stud hub for 17.5 in. wheels

SL10K

Supporting capacity of 10,000 Lbs.
Ride heights up to 19 in.
Eight stud hub for 19.5 in. wheels

Lightweight compact design, steerable lift axle suspension system.

SL13K

Supporting capacity of 13,500 Lbs.
Ride heights up to 19 in.
Ten stud hub for 19.5, 22.5, and 24.5 in. wheels
Air disc brakes available

W&C’s most popular capacity steerable lift axle suspension system.

SL20K

Supporting capacity of 20,000 Lbs.
Ride heights up to 14 in.
Compatible with 445/65R22.5 tires
Hub face of 89 in. for better body clearance

Robust and innovative steerable lift axle suspension system.

SL25K

Supporting capacity of 25,000 Lbs.
Ride heights up to 14 in.
Compliant with Ontario, Canada “SPIF” regulations

Steerable lift axle suspension system designed for use with dual or super single tires.

W&C Steerable Lift Axles are characterized by the parallelogram design for a constant axle caster, adjustable ride height and frame width features, minimized packaging space, configurations available for all authorized lift axle applications, and supports capacities between 8,000 Lbs. and 20,000 Lbs. Custom engineering available for specific customer requirements, and all models are backed by a 5-year warranty.

AL - NON-STEERABLE LIFT AXLE

AL25K

Supporting capacity of 25,000 Lbs.
Ride heights up to 15 in.
Two-pin axle connection with rubber bushings
Positive axle stop straps
Straight or drop axles

Lift axle suspension system with outstanding performance and proven durability.

LOOSE AXLES

Axle capacity up to 25,000 Lbs.
Straight, 6 or 9 in. drop
Axle tracks: 71.5- and 77.5 in. standard
Axle wall: 1/2-, 5/8- and 3/4 in.
N or P spindles
Air disc brakes available
Special axle tracks available
Tire inflation system available

Offering a full line of axles which helps to finalize the full line of trailer suspensions such as the TA, Single Point and Multi-Spring families.

TRAILER LIFT KITS

Different designs depending on specific applications
Configurations for limited ground clearance or frame space
Air control kits available for correct operation

TA - TRAILER AIR SUSPENSIONS

SP - SINGLE POINT SUSPENSIONS

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Proven technology for a wide range of applications
Supports capacities of 25,000 to 30,000 lbs.
Ride heights up to 19 in.
Available as suspension kit or as an assembly with axles
Special axle tracks available
ALIGN-TRAC™ — Quick, easy alignment system

Strong spring trailer suspension for on- and off-highway trailer applications
Supports capacities of 50,000 Lbs. to 80,000 Lbs.
Straddle or trunnion mount
Severe-duty straddle plate available
Optional trunnion lengths available
Available as suspension kit or as an assembly with axles
Applications: End Dump, Side Dump, Belly Dump, Logger, Container Chassis and more

VALUE ADDED OPTIONS

AIR DISC BRAKES

Better stopping power
Improved vehicle safety
Higher and consistent brake torque output
Increased service intervals (depending on the application)
Better uptime while servicing brake pads

PRE-PLUMBING SYSTEM

Fewer fittings reduces leak potential
Better response when air is engaged
Saves time and money during the installation
100 percent leak tested at the factory

RIDE HEIGHT ADJUSTABILITY

Available on SL8K, SL10K, SL13K and SL20K (SL2065)
Accomplished through interchangeable lower air spring plate
Can also be used to limit lift if run height and driveline clearance fall within allowable criteria

This page lays out only a small introduction to each line of products Watson & Chalin has to offer. To view their full selection, visit Watson & Chalin’s website.

WATSON & CHALIN WEBSITE