Humphreys Hitch and Trailer Parts
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Spring & U-Bolt Kits

All Slipper Spring Kits include: (2) leaf springs, (2) axle plates, (4) u-bolts, (8) hex nuts.

Marine Kits include galvanized axle plates and zinc plated u-bolts and hex nuts.
Slipper Spring Replacement required measurement illustration
PART NO. REF. No. AXLE STYLE AXLE DIAMETER MARINE CAPACITY PER SPRING SPRING LENGTH SPRING TYPE NO. OF LEAVES
2-1020 003200 Round 1 3/4" No 1,000 LB. 20 3/8" Double Eye 3
2-1020M 003210 Round 1 3/4" Yes 1,000 LB. 20 3/8" Double Eye 3
2-1020-4D 003250 Round-Drop 2 3/8" No 1,000 LB. 20 3/8" Double Eye 3
2-PR722 003460 Round 1 3/4" No 1,250 LB. 25 1/4" Double Eye 3
2-PR722M 003465 Round 1 3/4" Yes 1,250 LB. 25 1/4" Double Eye 3
2-PR722-4D 003470 Round-Drop 1 3/4" No 1,250 LB. 25 1/4" Double Eye 3
2-WIC2 003600 Round 1 3/4" No 500 LB. 23 1/8" Slipper 2
2-WIC2M 003605 Round 1 3/4" Yes 500 LB. 23 1/8" Slipper 2
2-WIC2-4D 003650 Round-Drop 2 3/8" No 500 LB. 23 1/8" Slipper 2
2-WIE3 003800 Round 1 3/4" No 750 LB. 23 1/8" Slipper 3
2-WIE3M 003805 Round 1 3/4" Yes 750 LB. 23 1/8" Slipper 3
2-WIE3-4D 003850 Round-Drop 2 3/8" No 750 LB. 23 1/8" Slipper 3
2-WIH4 004000 Round 1 3/4" No 1,000 LB. 23 1/8" Slipper 4
2-WIH4M 004005 Round 1 3/4" Yes 1,000 LB. 23 1/8" Slipper 4
2-WIH4-4D 004050 Round-Drop 2 3/8" No 1,000 LB. 23 1/8" Slipper 4
2-WID2 004200 Round 1 3/4" No 1,000 LB. 27 3/8" Slipper 2
2-WID2M 004205 Round 1 3/4" Yes 1,000 LB. 27 3/8" Slipper 2
2-WID2-4D 004250 Round-Drop 2 3/8" No 1,000 LB. 27 3/8" Slipper 2
2-WIF3 004400 Round 1 3/4" No 1,500 LB. 27 3/8" Slipper 3
2-WIF3M 004405 Round 1 3/4" Yes 1,500 LB. 27 3/8" Slipper 3
2-WIF3-4D 004450 Round-Drop 2 3/8" No 1,500 LB. 27 3/8" Slipper 3
2-WIG4 004600 Round 1 3/4" No 1,750 LB. 27 3/8" Slipper 4
2-WIG4M 004605 Round 1 3/4" Yes 1,750 LB. 27 3/8" Slipper 4
2-WIG4-4D 004650 Round-Drop 2 3/8" No 1,750 LB. 27 3/8" Slipper 4
2-PR3 014600 Round 2 3/8" No 1,750 LB. 25 1/4" Double Eye 3
2-PR3M 014605 Round 2 3/8" Yes 1,750 LB. 25 1/4" Double Eye 3
2-PR4B 014800 Round 2 3/8" No 1,750 LB. 25 1/4" Double Eye 4
2-PR4BM 014805 Round 2 3/8" Yes 1,750 LB. 25 1/4" Double Eye 4
2-PR4 015000 Round 2 3/8" No 2,400 LB. 25 1/4" Double Eye 4
2-PR4M 015005 Round 2 3/8" Yes 2,400 LB. 25 1/4" Double Eye 4
2-803T3 015200 Round 2 3/8" No 2,000 LB. 25 7/8" Slipper 4
2-1020M-SQ 015215 Square 2" Yes 1,000 LB. 20 3/8" Double Eye 3
2-PR722M-SQ 015216 Square 2" Yes 1.250 LB. 25 1/4" Double Eye 3
2-WIC2M-SQ 015217 Square 2" Yes 500 LB. 23 1/8" Slipper 2
2-WIE3M-SQ 015218 Square 2" Yes 750 LB. 23 1/8" Slipper 3
2-WIH4M-SQ 015219 Square 2" Yes 1,000 LB. 23 1/8" Slipper 4
2-WID2M-SQ 015220 Square 2" Yes 1,000 LB. 27 3/8" Slipper 2
2-WIF3M-SQ 015221 Square 2" Yes 1,500 LB. 27 3/8" Slipper 3
2-WIG4M-SQ 015222 Square 2" Yes 1,750 LB. 27 3/8" Slipper 4
2-PR3M-SQ 015223 Square 2" Yes 1,750 LB. 25 1/4" Double Eye 3
2-PR4BM-SQ 015224 Square 2" Yes 1,750 LB. 25 1/4" Double Eye 4
2-PR4M-SQ 015225 Square 2" Yes 2,400 LB. 25 1/4" Double Eye 4
2-PR4-AH 015350 Round 3" No 2,400 LB. 25 1/4" Double Eye 4
2-803T3-AH 015375 Round 3" No 2,000 LB. 25 7/8" Slipper 4
2-PR5 023000 Round 3" No 3,000 LB. 25 1/4" Double Eye 5
2-PR5M 023005 Round 3" Yes 3,000 LB. 25 1/4" Double Eye 5
2-PR6 023100 Round 3" No 3,500 LB. 24 7/8" Double Eye 6
2-PR6M 023105 Round 3" Yes 3,500 LB. 24 7/8" Double Eye 6
2-E5226 023200 Round 3" No 3,000 LB. 25 1/4" Slipper 5
2-E5226M 023205 Round 3" Yes 3,000 LB. 25 1/4" Slipper 5
2-1203T3 023300 Round 3" No 3,500 LB. 24 7/8" Slipper 5
2-1203T3M 023305 Round 3" Yes 3,500 LB. 24 7/8" Slipper 5
2-1403T3 023400 Round 3" No 4,000 LB. 24 7/8" Slipper 7
2-1403T3M 023405 Round 3" Yes 4,000 LB. 24 7/8" Slipper 7
2-E5115 023600 Round 3" No 4,000 LB. 271/2" Slipper 6
2-E5115M 023605 Round 3" Yes 4,000 LB. 271/2" Slipper 6
2-E5226-8K 025200 Round 3.5" No 3,000 LB. 25 1/4" Slipper 5
2-1203T3 025250 Round 3.5" No 3,500LB. 24 7/8" Slipper 5
2-E5115-8K 025400 Round 3.5" No 4,000 LB. 27 1/2" Slipper 6
2-1403T3-8K 025600 Round 3.5" No 4,000 LB. 24 7/8" Slipper 7

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