What does a king pin do on a truck?
The king pin on a truck connects the steer axle to the steering knuckle, supporting the steering geometry and allowing the wheel ends to turn the vehicle. These hefty steel pins work in tandem with the bushings to handle intense forces while keeping the knuckle in proper alignment.
How do I know if my kingpin is worn?
Try moving the wheel left to right and top to bottom and up and down. If the wheel has any play you may have an issue likely caused by a worn kingpin. Use a dial indicator to measure, axial and lateral movement should not exceed 1/8 or . 120 in.
Are kingpins still used?
Although they are largely obsolete, kingpin suspensions have the advantage of being able to carry much heavier weights, which is why they are still featured on some heavy trucks.
How long does it take to change King Pins?
6-8 hours
A kingpin replacement generally takes 6-8 hours.
How much play is acceptable in King Pins?
“When [the steer axle kingpin is] new, they’re going to have about three to four thousandths of an inch of play,” Ayala says. “It’s not a rule, but that’s in general terms. Once it hits the ten thousandths [range of] movement, those tires are going to be wearing out fast.
How long does it take to replace King Pins on a semi?
offering quality inspections and repairs A kingpin replacement generally takes 6-8 hours.
How strong is trailer kingpin?
Trailer King Pins from Buyers Products provide strength and reliability in coupling your fifth wheel. They are forged from AISI 8630 steel and heat-treated to maintain a hardness of 302-363 BHN and 150,000 PSI in ultimate strength.
What is a kingpin suspension?
Here Cannondale has developed what it calls the Kingpin suspension system, a combination of specially shaped tube profiles for the top tube, seat tube and chainstays, in conjunction with a thru-axle connecting the seatstays to the seat tube, all intended to provide up to 30mm of compliance.
How much play is acceptable in king pins?
How much play should a kingpin have?
Where can I buy king pins for heavy-duty trucks?
Class8truckparts.com is a has a great selection of king pins and kingpin kits for heavy-duty trucks. We carry Meritor king pins, Eaton Spicer king pin kits, Volvo Truck king pin thrust bearing kits, Hendrickson bearing kits, and more.
What trucks have the same king pin as Mack?
Pai AKP-9847 King Pin Kit – Same as Mack 3… Mack Truck 7843-K961L QWIK Kit King Pin Ki… Pai AKP-9842 King Pin Kit – Same as Merito… Mack Truck 7843-K110G Qwik Kit King Pin Ki… Mack Truck 7843-K616M Qwik Kit King Pin Ki… Volvo Truck 21416557 Bronze Lower Kingpin Meritor R202002 FastSet No-Ream King Pin
What kind of leaf springs does a single rear suspension have?
5 Axle Housing 6 U-Bolts 7 Spring Pad 8 Radius Leaf Spring 9 Replaceable Bushing and Pin Single rear suspensions consist of variable flat leaf springs with leaf-type radius rods. Variable rate springs provide superior ride characteristics, under both empty and loaded conditions because, as the load increases, the effective spring length de-
What is the creep rating for rear axle suspension?
(See chart, “Rear Axle/Rear Suspension Creep Ratings (38K – 46K Tandem Axles)” on page 33 .) •For off-highway (work site) with auxiliary axles lifted at MAXIMUM SPEED of 5 miles per hour. •This condition should not exceed 5% of total operating miles of the vehicle.