3500 lb Axle Spec Sheet

3500 lb Axle

Options

Hub bolt pattern

Pre-wired or Pre-wired sealed harness

Brake Flange optional on axle w/idler hubs

Spring length & capacity

SPECIFICATIONS

Axle Tube: .188 Wall Thickness x 2-3/8" OD Round Tube

Spindles: Straight, 4" Drop, 6" Drop, 1 3/8" & 1 1/16"

Bearings: L68149 Inner L44649 Outer

Lubrication: E-Z Lube option

Hardware: U-bolts, Tie Plates and fasteners included with beam

HUBS

Idler, 5 stud on 4.5" bolt center (see Hub page)

10" Hub & Drum 5 stud on 4.5" bolt center (see Hub page)

BRAKES

Brake Flange, 4 hole standard on bare beam.

Electric, 10" x 2.25" (see Electric Brake page)

Hydraulic 10" x 2.25" uni-servo Free Backing (see Hydraulic Brake page)

Hydraulic Disc Brakes (see Disc Brake page)

SUSPENSION

SPRINGS	Leaf	Capacity Each	Type	Length	Width	Standard/ Option	Bushing
31-125-4	4	1500 lb.	D.E.	23.13"	1.75"	Optional	9/16"
31-5015-5	5	1500 lb.	D.E.	26"	1.75"	Optional	9/16"
31-72-9	3	1750 lb.	D.E.	23.13"	1.75"	Standard	9/16"
31-72-24	3	2000 lb.	D.E.	25.25"	1.75"	Optional	9/16"
31-72-42	4	1750 lb.	D.E.	25.25"	1.75"	Standard	9/16"
31-603T3-N	4	1800 lb.	Slipper	25.88	2.0"	Standard	9/16"
31-803T3-N	4	2000 lb.	Slipper	25.88	2.0"	Optional	9/16"
31-BT25-22	3	1850 lb.	Slipper	25.00	1.75"	Standard	9/16"

SUSPENSION HARDWARE	No. of Axles	Capacity	Type	Width
30-35SADEKIT	Single	3-7000 lb.	Double Eye	1.75"
30-35SASLKIT	Single	3500 lb.	Slipper	1.75"
30-52SASLKIT	Single	5200 lb.	Slipper	2"
30-35TADEKIT	Tandem	2-7000 lb.	Double Eye	1.75"
30-35TRDEKIT	Triple	2-7000 lb.	Double Eye	1.75"
30-52TASLKIT	Tandem	5200 lb.	Slipper	2"

HUB FACE AND SPRING CENTER MEASUREMENTS

DIFFERENCE BETWEEN HUB FACE AND SPRING CENTER
Axle Type	Minimum (E x 2)	Recommended	Maximum	Max. Spring Center
Straight	12.5"	14	18"	80"
4" Drop	15"	15.5	18"	78.5"
6"Drop	15.75"	16.5	18"	77.5"

Note: Maximum Spring Centers may vary with rim size.

Minimums are based on manufacturing tolerances, some wheel and tire combinations may not work.

Maximum capacity- actual capacity may vary depending on springs, options and overhangs.