The HK SERIES combines our HT SERIES suspensions with our superior K-2® slider box, resulting in a sliding tandem system that is ideal for a variety of applications.
Available in 40,000 and 46,000 lb. capacities
Ride heights range from 9 to 19 inches (model dependent)
Features unique "K" shaped bracing for more air tank and auxiliary component room
Accommodates either 96-inch or 102-inch wide trailers
An optional 40,000-lb. ramp-ready system is available — easily installs to provide a spacious ramp bay
K-2® Slider Box and Rails — More Strength, Less Weight
Slides easily on durable, full-length slider pads
High-strength, long-life body rails of grade 80 steel available with four- or six-inch pin hole spacing
Patented "K" bracing absorbs road jolts
Unmatched strength-to-weight ratio gives longer life
Unparalleled Support
5-year/500,000-mile structural warranty
Backed by thousands of dealers
Off-the-shelf replacement parts
TRI-FUNCTIONAL® Bushing
Proven technology provides mile after mile of worry-free service
Voids positioned to optimally absorb all road forces
The ideal combination of ride softness and roll stability
Specially formulated rubber compound stands up to the toughest operating conditions
Only two long-life bushings in each suspension — fewer than any other design
Five- or seven-year warranty depending on application
Rigid Trailing Arm/Solid Axle Connection
Simplicity of design reduces the number of moving parts, bushings and fasteners for minimal maintenance
Provides superior stability while eliminating torque rods and stabilizer bars
Eliminates retorquing requirements
Low spring rate for exceptional ride quality
Compatible with industry standard axles
Large bore shocks for longer life
QUIK-ALIGN® Pivot Connection (Standard on Most Models)
Provides quick, easy axle realignment
Save time and money should axle realignment become necessary
TORQ-RITE® shear bolt eliminates guesswork
Realign using standard tools — no torque wrench or welding required
Optimize tire life
Limit Trailer Drop and Walk
Optional SURELOK® for safer loading and unloading
- Limits vertical and horizontal movement
- Holds trailer at ride height
- Activates automatically with trailer parking brakes
Manual and automatic dump valve options
- Limits trailer drop and walk
- Maintains load on internal bumpers
First Fully-Pneumatic Slider Pin Activation
Optionally equipped with QUIK-DRAW® pneumatic pin-pull mechanism
- Driver-friendly valve — finger-tip operation
- Increases driver safety and satisfaction while maximizing productivity
- Automatic reset engages pins when parking brake releases
Standard pin release features easy-to-operate lift handle
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Base Model Reference
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System Capacity1 (LBS.) |
Suspension Ride Height2,3 (IN.)
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HK190T |
40K |
16, 16.5, 17, 18, 19 |
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HK230 |
46K |
16, 16.5, 17, 18, 19 |
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HTHKR |
40K |
9, 10, 11, 12 |
1. Capacity of slider system only; axle not included.
2. Suspension ride heights must be set within Hendrickson specifications in order to provide load equalization among axles and to ensure proper suspension performance. Failure to maintain proper ride height settings can lead to suspension, axle or trailer damage.
3. To calculate total system height for HK sliders, add the suspension ride height and 8.5 inches for the slider box. For the HTHKR ramp-ready slider, add the suspension ride height and 14 inches for the slider box.
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