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Trailer Suspension Systems: Cast & Fabricated

This document provides specifications for 21B steel spring trailer suspensions that can be fabricated or cast. Both versions include features like adjustable axle spreads and mounting heights, options to prevent axle bounce, and capacities up to 26,000 pounds per axle. The key differences are that the fabricated version has a wider range of axle spreads, uses high strength fabricated steel hangers, and shares interchangeable components with the cast version. Both prioritize providing a smooth ride through features like large equalizer bushings and full rubber torque arm bushings.
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0% found this document useful (0 votes)
51 views2 pages

Trailer Suspension Systems: Cast & Fabricated

This document provides specifications for 21B steel spring trailer suspensions that can be fabricated or cast. Both versions include features like adjustable axle spreads and mounting heights, options to prevent axle bounce, and capacities up to 26,000 pounds per axle. The key differences are that the fabricated version has a wider range of axle spreads, uses high strength fabricated steel hangers, and shares interchangeable components with the cast version. Both prioritize providing a smooth ride through features like large equalizer bushings and full rubber torque arm bushings.
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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FABRICATED

CAST

21B Steel Spring Trailer Suspension

CAST FABRICATED

• 44" to 109" axle spreads


• 42" to 109" axle spreads
• No Hop version available to prevent axle bounce
• No Hop version available to prevent axle bounce
• Single, Tandem, Tridem, Quad, Quint
• Single, Tandem, Tridem, Quad, Quint
• 3" to 18" mounting heights • 3" to 18" mounting heights

• ADI (Austempered Ductile Iron) equalizers • High strength fabricated steel hangers
- Wear resistant, longer life • Severe Service option features 3 wear layers for long life
- Lighter than cast steel • Smooth ride from large one piece equalizer bushings
• Flangemount or weld-on undermount hangers • Ground capacities of 18,000 lbs. to 26,000 lbs. per axle
• Smooth ride from 2 piece oversized bushings in equalizer • Bolt-on undermount and weld-on undermount hangers
• Ground capacities of 18,000 lbs. to 28,500 lbs. per axle • Cast steel, axle clamp group
• Cast ductile, torque arms ends • Cast ductile, torque arm ends
• Cast steel, axle clamp group
• Fabricated rigid torque arms
• Long life, low maintenance, full rubber torque arm bushings
• Long life, low maintenance, full rubber torque arm bushings
• Conventional, Inverted or Underslung u-bolts
• Conventional, Inverted or Underslung u-bolts
• Shares many interchangeable components with fabricated version
• Shares many interchangeable components with cast version
The Industry Standard of Proven Performance

CAST FAB CAST FAB


INTERCHANGEABLE 2 EQUALIZER STYLES FULL RUBBER CAST STEEL
COMPONENTS BUSHINGS

21B W 2 22 5R 14 C R 42 SPRING# 21B CAST


Designates Series
B = Standard
Mounting Insert Reyco Spring #
BHD = Heavy Duty Height
Axle Spread
Number of
42, 44, 49, 60, wider (call)
Hanger Types Axles
1, 2, 3, 4, 5
Axle Type
W = Weld-on Undermount No-Hop Option
5R = 5" Round Axle
F = Flangemount R = Regular
5SQ = 5" Square Axle
N = No-hop

Capacity
Axle Clamp Style
18 = 18,000 lbs.
C = Conventional
22 = 22,000 lbs.
(nut up)
25 = 25,000 lbs.
I = Inverted
26 = 26,000 lbs.
(nut down)
UI = Underslung
Inverted
MOUNTING HEIGHT

AXLE SPREAD

21B FAB 21B FAB 2 22 WB 14 C 50 SPRING#


Designates
Mounting
Series
Height Insert Reyco Spring #
Designates Number of Refer to chart for
Fabricated Axles correct match
2.75" to 19"
Axle Spread
1, 2, 3, 4, 5
44, 50, 54, 60, 72, 97, 109
Designates Weld-On
Undermount Axle Clamp Style
fabricated hangers C = Conventional
(nut up)
Capacity I = Inverted
SPRING TYPE HANGER STYLE INVERTED OR (nut down)
18 = 18,000 lbs.
CONVENTIONAL UI = Underslung
22 = 22,000 lbs.
Inverted
26 = 26,000 lbs.
Form #21B TEARSHEET rev. 1003

GRIMSBY (CANADA) 1.800.811.4011 Fax: 1.905.945.5906


MT. VERNON (USA) 1.800.753.0050 Fax: 1.417.466.3964
BROOKSTON (USA) 1.800.255.7824 Fax: 1.219.279.2390

w w w. re y c o g r a n n i n g . c o m ISO 9001:2000

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