72-44-1-12K Spring Kit with U-Bolts 3" Wide 6 Leaf Slipper Spring

• Customization: Available
• Type: Slipper Spring
• Certification: CCC, ISO/TS16949
• Model NO.: 12000lbs leaf spring
• Types of Suspension Systems: Leaf Spring Suspension
• Shape: Slipper Spring
• Axle Number: 2/3
• ABS Anti-lock Braking System: No ABS Anti-lock Braking System
• Material: Steel
• Condition: New
• Center Pin Bush: Rubber Bush/Power Bush
• Surface Treatment: Black Paint
• Components: Leaf, Clip, Center Bolt
• Finish: Black / Galvanized / Cataphoresis
• Application: Trailer Suspension Parts
• Thickness of Leaves: 3/8"(10mm)
• Number of Leaves: 6
• Crossover Part Numbers: 72-44-1, Ml-044-01, 120096, Una-269, Sp-269275, 07
• Transport Package: Pallet
• Specification: 3"(76")
• Trademark: BZ
• Origin: Shandong
• HS Code: 7320109000
• Production Capacity: 10000 Set/Sets / Month
• Package Size: 110.00cm * 110.00cm * 100.00cm
• Package Gross Weight: 1100.000kg

Product Description

Product Description

72-44-1-12K Spring Kit With U-Bolts 3" Wide 6 Leaf  Slipper Spring

6 leaf slipper spring with a 6,000 lb capacity used on 12,000 lb Dexter & Lippert trailer axles.
Multiple leaf spring will flex to absorb road shock and provide a smooth ride
Springs reduce wear and tear on your trailer
Found on most 12k Dexter / Lippert axles.
1" eye rubber bushing included with spring
Used on trailers with 12,000 lb Dexter axles

Single Spring Capacity:	6,000 lbs
Axle Capacity:	12,000 lbs
Thickness of Leaves:	3/8"(10mm)
Number of Leaves:	6
Spring width:	3"(76mm)
Spring length:	30-1/2"
Spring eye size:	1"
Manufacturer:	BZ
Construction:	Steel
Finish:	Black Paint
Part number:	72-44-1, ML-044-01, 120096, UNA-269, SP-269275, 072-044-01, ML-044-00

Installation Instructions:

- Eye of spring will attach to front hanger mounted to the trailer frame or to the center of the equalizer.
- Slipper end of the spring will slid into the equalizer or the rear axle hanger.
- Suggested to insert new suspension bolts and tighten to the manufacturer's specs.

Packaging & Shipping

Certifications

Company Profile

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

Heavy duty double slipper mechanical suspension systems (HDSS) 
Hanger Kits
Leaf Spring
Landing Jack , etc.

FAQ

Q: What's the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days.
 
Q: What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDP.
 
Q: Can I request a customized Leaf Spring size?
A: Absolutely! We offer tailored attachments.
 
Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
 
Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.
 
Q:How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.