WATSON & CHALIN LINE PRODUCT BROCHURE WATSON & CHALIN Watson & Chalin is a brand of Hendrickson Manufacturers of truck and trailer auxiliary lift axles (steer and non-steer),

FULL LINE PRODUCT BROCHURE

WATSON & CHALIN

Watson & Chalin is a brand of Hendrickson

Manufacturers of truck and trailer auxiliary lift axles (steer and non-steer),trailer air ride and mechanical suspensions and loose trailer axles.

Watson and Chalin (W&C) is a pioneering, global suspension

company that designs and manufactures durable medium- and

heavy-duty suspensions for the truck and trailer industries.

Our extensive product offering focuses on supplying original

equipment manufacturers and dealers with a complete line of

aftermarket suspension products and niche product development

on a global scale. W&C is a One-Stop-Shop for all your suspension

needs – lift axles for truck and trailer (SL and AL series), trailer

air ride (TA and TI series), single point (SP series), mechanical,

sub-frame assemblies and loose axles.

W&C business spans for over 30 years. Acquired by the Boler

Company in 2006, W&C is a brand of Hendrickson. Since then,

our product range and degree of capabilities has expanded

with manufacturing excellence initiatives, a state-of-the-art

laboratory for new product development and a team focused

on moving the industry forward. We have the same goals as

fleet owners and operators – to reduce maintenance and

extend service intervals.

Our operational excellence is guided by leadership principles in

product development, quality workmanship, on time delivery

and is backed by one of the best warranties in the business.

With this philosophy, we will create and sustain added value for

our customers in the heavy-duty commercial vehicle industry.

SL13K TRU-TRACK

TA300T

SINGLE POINT44K

LOOSE AXLE

Patent Pending

CONTENTSSL SERIES: SL8K, SL10K, SL13K, SL20K, SL25K 3 - 4

AL SERIES 5

LOOSE AXLES 5

SINGLE POINT 6

TA SERIES 7

TI SERIES 8

MS SERIES 9

SPRING BEAM SUSPENSIONS 10

SL10K TRU-TRACK ALUMILITENewest self-steering, lightweight lift axle suspension system – ideal for dump, mixer and refuse applications

• Compact packaging design up to 23.2 in.

• Ride heights up to 19 in.

• New extended life bushings

• Capacity of 10,000 lbs.

Literature reference - W&C100

TRU-TRACK SERIES• Capacities from 8,000 - 20,000 lbs.

• Industry advantage quick-change ride height system

• Industry advantage frame width adjustability

• Super Short Rail (SSR) versions

• Superior lateral control with wide based bushings

• Backed by a 5-year limited warranty*

3

SL8K TRU-TRACK ALUMILITELightweight compact design, steerable lift axle suspension system

• Compact packaging design from 20.83 in.


• New extended life bushings



SL

* Contact your local Watson & Chalin representative for complete warranty terms, conditions and limitations.

STEERABLE LIFT AXLE SUSPENSION SYSTEMS

SL8K • SL10K

http://www.watsonsuspensions.com/WC100

http://www.watsonsuspensions.com/WC126

SL20K TRU-TRACKRobust and innovative steerable lift axle suspension systemfor truck and trailer

• Compatible with 445/65R22.5 tires

• Unique parallelogram design


• 20K model offers 26.21 in. packaging space with up to 16.5 in. ride height

• Air disc brakes available



SL13K TRU-TRACK ALUMILITEOur most popular capacity steerable lift axle suspension system

• Compact packaging up to 22.69 in.


• Air disc brakes now available

• Less weight - wide based arms

• Improved bushing life



4

SL25KSteerable lift axle suspension system designed for use withdual or super single tires – ideal for dump, heavy-haul andmiscellaneous applications

• Compliant with Ontario, Canada “SPIF” regulations




SL13K • SL20K • SL25K

http://www.watsonsuspensions.com/wc180



AL


5 AL25K AUXILIARY LIFTABLEOutstanding performance and proven durability lift axle suspensionsystem – ideal for dump, refuse, heavy-haul and logging applications.

• Industry standard for many years


• Two-pin axle connection – with rubber bushings for optimal roll control

• Positive axle stop straps




LOOSE AXLESOffering a full line of axles which helps to finalize the full line of trailer suspensions such as the TA, Single Point and Mechanical families.

• Axle capacity up to 25,000 lbs.

• Straight or bent tubes

• N or P spindles

• Axle tracks: 71.5- and 77.5-in. standard

• Axle wall: 1/2-, 5/8- and 3/4-in.



LA

AUXILIARY LIFTABLE SUSPENSION SYSTEM

LOOSE AXLES

AL25K • LOOSE AXLES



SP


6SINGLE POINT SERIESSINGLE POINT SPRING SUSPENSIONOur Single Point suspension series is designed for on- and off-road trailer applications. This severe-duty suspension is available with capacities from 44,000 thru 80,000 lbs. Our rugged Single Point suspension is ideal for end dumps, side dumps, belly dumps and logging applications.

• Capacity: 44,000 thru 80,000 lbs.

• Straddle mount or trunnion mount

• Severe-duty straddle plate available for 60,000, 70,000 or 80,000 lbs.

• Optional trunnion lengths available

• Lightest, low capacity model in the industry


• 5-year limited warranty*

Literature reference - W&C104 and W&C181

Optional rubber bushing now available

Patent Pending

Optional rubber bushing now available

SINGLE POINT44K

SINGLE POINT50K

SINGLE POINT SPRING SUSPENSIONS

SP44K • SP50K



TA7 TRAILER AIR SERIES

Primary trailer air suspension systems that deliver rugged performance, excellent ride quality and are ideal for numerous applications including lowboy, drop-deck and container chassis.

• Capacities of 25,000 - 30,000 lbs.


• Extended-life bushings

• U-Bolt / welded axle connection for superior service life

• Air disc brakes available on select models


• Lift kits

• Tire inflation systems

• Under beam lifts

• Easy adjustable center lifts

• Air kits

• Designed to help the operator save money and increase tire life


• Industry standard parts

• Technical support

* Contact your local W&C representative for warranty terms, conditions and limitations.

Value Added Options

TA - Trailer AirNorth America

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TA300T20

TA300U20

TA300L20

P P P P P P

O O P

O O

P - Preferred O - Optional* Use of P spindle is preferred for heavy-duty and wheel outset applications.Note: Specific applications that are not typical must be reviewed on a case by case basis.

TA300T

TA250LTA250U

TRAILER AIR SUSPENSION SYSTEMS

TA250L • TA250U • TA300T


TI250 and TI300 SERIESThe TI25K and TI30K family is a primary trailer suspension witha rated capacity of 25,000 and 30,000 lbs. The TI series deliversrugged performance, excellent ride quality and is ideal for numerous applications including, lowboy, drop-deck and container chassis.

• 25,000 and 30,000 lb. suspension capacity

• Ride heights: 6.5- thru 24-in.

• Extended-life bushings

• Integrated axle-to-arm connection



TI250T20 • TI250L20 • TI300T20

8

• Lift kits• Tire inflation systems• Under beam lifts• Easy adjustable center lifts• Air kits• Designed to help the operator save money and increase tire life• 5-year limited warranty*• Industry standard parts• Technical support

* Contact your local W&C representative for warranty terms, conditions and limitations.

Value Added Options

TI - Trailer IntegraNorth America

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TI250L20

TI300L20

TI250T20

TI300T20

TI300T25

P P

O O

P P P

O O O O

P O O

P - Preferred O - Optional* Use of P spindle is preferred for heavy-duty and wheel outset applications.Note: Specific applications that are not typical must be reviewed on a case by case basis.

TI250L20

TI300T20

TI250T20

TRAILER INTEGRA SUSPENSION SYSTEMS


MSMS2200MULTI-SPRING TRAILER SUSPENSIONThe MS2200 is a steel spring trailer suspension offering outstanding durability and dependability which reduces downtime and protectsyour load. With a rated capacity of up to 25,000 pounds per axle, the MS2200 is available in single, tandem and tridem configurations.The MS2200 is ideal for tankers, platforms, vans and containerchassis applications.

• Up to 25,000 lbs. capacity per axle

• Single, tandem or triple axle configuration

• Fabricated hangers and equalizers

• 5 in. diameter axle seats

• 49 in. axle spacing standard

• Axle spacing: 49- to 60- in.

• Hanger style: Under mount, flange mount and side mount

• Mounting height: – Top mount: 13.75 in. to over 20 in. – Underslung: 4.25 in. to 7.5 in.

• Various springs available: Up to 25,000 lbs. per axle


MS3000 SERIESMECHANICAL SUSPENSIONSOur MS3000 Series rugged steel spring trailer suspensions offer outstanding durability and dependability which reduces downtime and protects your load. With a rated capacity of up to 90,000 pounds, the MS3000 is ideal for military, tankers and platform applications.

• Capacity: 30,000 thru 90,000 lbs.

• Single, Tandem or Triple Axle

• 5- or 5.75-inch diameter axle seats

• 50-, 54- or 60-inch axle spacing

• Spring seat spacers – Adds 1 in. to ride height**

• Axle weldment

• Assemble springs to axles – Requires axle weldment option

• Equalizer modification for dump trailers with lift axle kits

MS3000 Options

**Ride height - 16.5 inches unladen, 15.125 inches laden


9

MS2200 • MS3000

MS3003

MS3002

STEEL SPRING TRAILER SUSPENSIONS

3A / 4A Options

10SPRING BEAMTRAILER MECHANICAL SERIESSPRING BEAM SUSPENSIONSSpring Beam Trailer Mechanical suspensions are designedtough, economical to use and have a capacity range up to120,000 lbs. The specifications of these suspensions canwithstand the rigorous maneuvering of heavy-haulequipment that is critical in military operations.

• Trunnion or straddle mount design*

• Industry standard bushings

• 4 in. trunnion tubes (.75 in. wall)

• 35.5 in. spring beam centers

• 5- to 5.75-in. round axle seats

• 50 in. axle spacing

• Axle options – 5.75 in. axle spacing – 53 in. axle spacing – 60 in. axle spacing

• Trunnion options – Spring centers over 36 in. – Optional trunnion tubes available

• Assembly options – Install axles on seats and weld in position – Install trunnion tubes, radius rod brackets and springs

* Ride height on straddle mount design is variable – specify straddle plate height.

Air Disc Brakes• Maintain stability

• Reduce brake fade

• Greater downhill performance

• Provide symmetrically balanced left and right brake power

• Allow for quicker brake pad changes and adjustmentsLiterature reference - W&C173

W&C Value-added Options

Subframes

• Built to customer specifications

• Pre-plumbed options

• Pre-aligned system

Pre-plumbing

• Fewer fittings reduces leak potential

• Better response when air is engaged

• Saves time and money

Loose Axles

• Assembled in house

• One-Stop-Shop — one complete solution

• Drop center configurations available

• Tire inflation system available

• Options of fully dressed axles including wheel ends, brake adjusters, brake chambers and dust shields


3A600 • 4A100

4A100

3A600

http://www.watsonsuspensions.com/W-C173

DURABILITY FOR THE ROAD AHEAD

Watson & Chalin725 E. University Drive, McKinney, Texas 75069972.547.6020 • 800.445.0736 • Fax 972.542.0097

www.watsonsuspensions.com

Information contained in this literature was accurate at the time of publication. Product changes may have been made after the copyright date that are not reflected. © 2016 Watson & Chalin Mfg. Inc. All Rights Reserved Printed in United States of America

W&C196 Rev B 12-16

Watson and Chalin is a brand of Hendrickson

http://www.watsonsuspensions.com

Documents

WATSON & CHALIN LINE PRODUCT BROCHURE WATSON & CHALIN Watson & Chalin is a brand of Hendrickson Manufacturers of truck and trailer auxiliary lift axles (steer and non-steer),