Peterbilt — Low Mount Air Leaf
Description
This air suspension has with a maximum capacity rating of 40,000 pounds. Like the Air Leaf, it does not have lower radius rods like those found on the Air Trac and tends to have a smoother ride than both the Air Leaf and Air Trac. The air bags are supported on the Z-spring assembly; no paddle.
Peterbilt Low Mount Air Leaf
Fast Facts
| Peterbilt — Low Mount Air Leaf | |
|---|---|
| Type | Air suspension has with a maximum capacity rating of 40,000 pounds. |
| Features | Smoother ride than both the Air Leaf and Air Trac. |
| Problem Areas | |
| ATRO Solutions | |
Tech Tips and Additional Resources
A pivot bushing (ATRO’s PB75-29101, OE# 03AL2) is housed in an eye casting that is bolted to the spring.
- PB75-29101 is a spring eye bushing service kit that has bushings, sleeve, washers and hardware. The polyurethane components within this kit are PL1076 and PL1189 (2 per kit) and are also available separately.
- Tech Guidelines bulletin TG103009 outlines recommended installation sequence for PB75-29101.
ATRO’s torque rod (TR75-41108, OE# 03-05108):
- Rebushable (OE standard is non-rebushable)
- Rotating-pin for easy installation
- Heavy-duty bushing (OE standard bushing has a small O.D.)
Swipe table right for columns.
| Mfg | Rod | Bushing Dimension | Rebushable | Rotating |
|---|---|---|---|---|
| ATRO TR75-41108 | 1 1/4" O.D. | TS38000 (2 3/4") | Yes | Yes |
| OE #03-05108 | 1 1/8" O.D. | (2 17/32") | No | No |
Wear Items
- Spring eye pivot bushing
- Torque rod/torque rod bushings
Key Parts
Details
Peterbilt Low Mount Air Leaf
Suspension details spring assembly and air leaf bushing kit.