Assembly & Installation Reference: SUBJECT: Hendrickson Lift Axle DimensionsLIT NO: TB−H825DATE: February 2021 REVISION: C

TABLE OF CONTENTS

Actual product performance may vary depending upon vehicle con� guration, operation, service and other factors.All applications must comply with applicable Hendrickson speci� cations and must be approved by the respective vehicle manufacturer with the vehicle in its original, as-built con� guration.

Contact Hendrickson for additional details regarding speci� cations, applications, capacities, and operation, service and maintenance instructions.

NOTE: Dimensional variations for suspensions with Disc Brakes are shown in parentheses for FM suspensions only. Dimensions for SC and FX suspensions with Disc and Drum Brakes are the same.

*Available as Bolt–on and Weld–on**Available as Weld–on only *** Indicates Ride Height

Section 1 Steerable SuspensionsSC: TRUCK, Steerable 8K, 10K, 13K . . . . . . . 2

SC: TRUCK, Steerable 20K . . . . . . . . . . . . . . 2

SC: TRUCK, Steerable Roll–Off 13K . . . . . . . . 3

SC: TRUCK, Steerable Roll–Off 20K . . . . . . . . 3

SC: TRAILER*, Steerable 10K & 13K . . . . . . . 4

SC: TRAILER*, Steerable 20K . . . . . . . . . . . . 4

EXS: TRUCK, Steerable 8K, 10K, 13K . . . . . . 5

EXS TRUCK, Steer. Roll–Off 8K, 10K, 13K . . . 5

EXS: TRAILER* Steerable 8K, 10K, 13K . . . . . 6

EXS: TRUCK, Steerable 20K . . . . . . . . . . . . . 6

EXS TRUCK, Steerable Roll–Off 20K . . . . . . . 7

EXS: TRAILER*, Steerable 20K . . . . . . . . . . . 7

Section 2 Fixed SuspensionsFX: TRUCK, Fixed 13K . . . . . . . . . . . . . . . . . . 8

FM: TRUCK, Fixed 20K . . . . . . . . . . . . . . . . . 8

FX: TRUCK, Fixed Roll–Off 13K . . . . . . . . . . . 9

FM: TRUCK, Fixed Roll–Off 20K . . . . . . . . . . . 9

FX: TRAILER*, Fixed 10K & 13K . . . . . . . . . . 10

FM: TRAILER**, Fixed 16K–25K (10" ***) . . 10

FM: TRAILER**, Fixed 16K–25K (11.5" ***) .11

FM: TRAILER**, Fixed 16K–25K (14" ***) . . 11

EXF: TRUCK, Fixed 13K . . . . . . . . . . . . . . . . 12

EXF: TRUCK, Fixed Roll–Off 13K . . . . . . . . . 12

EXF: TRAILER*, Fixed 13K . . . . . . . . . . . . . . 13

Assembly & Installation Reference

Steerable Suspensions 2 TB−H825

SECTION 1

Steerable SuspensionsSC TRUCK, Steerable 8K, 10K, 13K

25.5 +/– .25

Ride Height

8” Lift

5” Rebound

SC TRUCK, Steerable 20K

28.3 +/– .25

Ride Height8” Lift

4” Rebound

Lift Axle Dimensions

TB−H825 3 Steerable Suspensions

SC TRUCK, Steerable Roll–Off 13K

25.6 +/– .25

Ride Height

8” Lift

5” Rebound

SC TRUCK, Steerable Roll–Off 20K

28.3 +/– .25

Ride Height

8” Lift

5” Rebound

NOTE: A 2.0-inch spacer is required for ride heights greater than 14-inches.

Assembly & Installation Reference

Steerable Suspensions 4 TB−H825

SC TRAILER, Steerable 10K & 13K (Bolt–On & Weld–On)

25.6 +/– .25

Ride Height

8” Lift

5” Rebound

SC TRAILER, Steerable 20K (Bolt–On & Weld–On)

28.6 +/– .25

Ride Height8” Lift

4” Rebound

Lift Axle Dimensions

TB−H825 5 Steerable Suspensions

EXS TRUCK, Steerable 8K, 10K, 13K

25.5 +/– .25

Ride Height

8” Lift

5” Rebound

EXS TRUCK, Steerable Roll–Off 8K, 10K, 13K

25.6 +/– .25

Ride Height8” Lift

5” Rebound

Assembly & Installation Reference

Steerable Suspensions 6 TB−H825

EXS TRAILER, Steerable 8K, 10K, 13K (Bolt–on & Weld–on)

25.5 +/– .25

Ride Height

8” Lift

5” Rebound

EXS TRUCK, Steerable 20K

Lift Axle Dimensions

TB−H825 7 Steerable Suspensions

EXS TRUCK, STEERABLE (ROLL-OFF) 20K

EXS TRAILER, STEERABLE (WELD-ON & BOLT-ON) 20K

Assembly & Installation Reference

Fixed Suspensions 8 TB−H825

Fixed SuspensionsFX TRUCK, Fixed 13K

26.8 +/– .25

Ride Height

8” Lift

5” Rebound

FM TRUCK, Fixed 20K

32.6 +/– .25

Ride Height5.5” Lift

4” Rebound

For disc brakes: 37.0 +/– .25

Lift Axle Dimensions

TB−H825 9 Fixed Suspensions

FX TRUCK, Fixed Roll–Off 13K

26.5 +/– .25

Ride Height

8” Lift

5” Rebound

FM TRUCK, Fixed Roll–Off 20K

32.1 +/– .25

Ride Height5.5” Lift

4” Rebound

For Disc Brakes: 36.5 +/– .25

Assembly & Installation Reference

Fixed Suspensions 10 TB−H825

FX TRAILER, Fixed 10K & 13K (Bolt–on & Weld–on)

26.25 +/– 0.5

Ride Height

8” Lift

5” Rebound

FM TRAILER, Fixed 16K–25K: 10" Ride Height (Weld–on Only)

33.4 +/– .25

Ride Height5.5” Lift

4” Rebound

For Disc Brakes 37.75 +/_.25

Lift Axle Dimensions

TB−H825 11 Fixed Suspensions

FM TRAILER, Fixed 16K–25K: 11.5" Ride Height (Weld–on Only)

33.4 +/– .25

Ride Height

5.5” Lift

4” Rebound

For Disc Brakes 37.75 +/_.25

FM TRAILER, Fixed 16K–25K: 14" Ride Height (Weld–on Only)

33.4 +/– .25

Ride Height

5.5” Lift

4” Rebound

For Disc Brakes 37.75 +/_.25

Assembly & Installation Reference

Fixed Suspensions 12 TB−H825

EXF TRUCK, Fixed 13K

26.75 +/– .25

Ride Height8” Lift

5” Rebound

EXF TRUCK, Fixed Roll–Off 13K

26.75 +/– .25

Ride Height8” Lift

5” Rebound

Lift Axle Dimensions

TB−H825 13 Fixed Suspensions

EXF TRAILER, Fixed 13K (Weld–on & Bolt–on)

26.25 +/– .5

Ride Height

8” Lift

5” Rebound

Assembly & Installation Reference

Fixed Suspensions 14 TB−H825

Notes:

Lift Axle Dimensions

TB−H825 15 Fixed Suspensions

Notes:

SPECIALTY PRODUCTS -AUXILIARY AXLE SYSTEMS277 North High StreetHebron, OH 43025 USA800.660.2829740.929.5600 • Fax 740.929.5601

Hendrickson Canada250 Chrysler Drive, Unit #3Brampton, ON Canada L6S 6B6800.668.5360905.789.1030 • Fax 905.789.1033

Call Hendrickson at 800.660.2829 or 800.668.5360 in Canada for additional information.

Printed in United States of America

www.hendrickson-intl.com

H825 Rev C 02-21

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.

© 2021 — 2019 Hendrickson USA, L.L.C. All Rights Reserved. All trademarks shown are owned by Hendrickson USA, L.L.C., or one of its affiliates, in one or more countries.

Actual product performance may vary depending upon vehicle configuration, operation, service and other factors.All applications must comply with applicable Hendrickson specifications and must be approved by the respective vehicle manufacturer with the vehicle in its original, as-built configuration.

Contact Hendrickson for additional details regarding specifications, applications, capacities, and operation, service and maintenance instructions.

Notes: