Lippert Tandem‑Axle 3.5K Slipper‑Spring Suspension Kit
This all‑in‑one Lippert bundle lets you refresh or build a smooth‑riding, tandem 3,500‑lb trailer suspension. You get four 25″ 4‑leaf slipper springs, a complete AP equalizer & shackle hardware kit—including (2) EQ‑1304 equalizers, all bolts and matching nuts—plus six heavy‑duty hangers and exact‑fit 2.375″ axle mounting hardware. Everything arrives together, so there’s no hunting for separate parts.
Bundle Contents:
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QTY (4): 25″ Slipper Leaf Spring – 2,500 lb Capacity
- Length (eye‑to‑slipper): 26‑7/8″
- Width: 2″
- Leaves: 4
- Eye Ø: 9/16″
- Arch: 3‑1/16″ unloaded • 2″ loaded
- Dexter compatible #: 072‑031‑00
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QTY (2): Axle Mounting Kit – Fits 2.375″ Round Tube
- (4) U‑bolts – 4‑1/4″ L × 3/8″ Ø
- (2) tie plates (black‑coated steel)
- (8) lock nuts (zinc‑plated)
- Fits 3.5 K axles & 2″ springs
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QTY (1): AP Equalizer & Shackle Hardware Kit
- (2) EQ‑1304 standard equalizers (Axle spacing: 33‑1/2″)
- (2) equalizer bolts – 4.7″
- (4) shackle bolts – 3.5″
- (4) keeper bolts – 3.25″
- (2) equalizer nuts – 7/8″‑9 thread
- (4) lock nuts – 9/16″‑18 thread
- (4) keeper nuts – 5/16″‑18 thread
- Dexter compatible #: A/P‑202‑00
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QTY (2): Front Hanger – 4‑5/16″ L × 2‑3/16″ W
- Hole spacing: 3‑9/16″ on‑center
- Hole Ø: 9/16″
- Axle rating: 2,200‑8,000 lb
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QTY (2): Center Hanger – 4‑1/2″ L × 3‑1/8″ W
- Hole spacing: 3‑5/16″
- Hole Ø: 7/8″
- Axle rating: 2,200‑8,000 lb
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QTY (2): Rear Hanger – 6″ L × 2‑1/4″ W
- Hole spacing: 4″
- Hole Ø: 5/16″
- Axle rating: 2,200‑8,000 lb
Verify axle spacing and hanger placement against your frame. Re‑torque hardware after the first few trips and inspect your suspension regularly for optimal safety.
| Specifications: | |
| Kit Type | Complete Tandem‑Axle Slipper Suspension Kit |
| Axle Rating | 3,500 lb per axle |
| Spring Capacity | 2,500 lb each |
| Number of Leaves per Spring | 4 |
| Spring Width | 2″ |
| Eye‑to‑Eye Length | 26‑7/8″ |
| Arch Height Unloaded | 3‑1/16″ |
| Arch Height Loaded | 2″ |
| Eye Diameter | 9/16″ |
| Axle Tube Diameter | 2.375″ |
| Equalizer Type (Spacing) | EQ‑1304 Standard – 33‑1/2″ |
| Axle Configuration | Tandem Slipper |
Order today or call us at
877‑869‑6690 for expert advice and personalized service.