AL-KO IRS Axle Specifications

Standard Axles

CAPACITY

(KG)

OUTER TUBE SIZE (T)

(MM)

BRAKE OPTIONS**

MOST

COMMON

STUB LENGTH / PROFILE (MM)

CHASSIS TO

STUB CENTER (MM)

UNLOADED *

”NOMINAL” – (H)

MAX WHEEL DIAMETER

HIGHWAY – Zinc plated or hot dipped galvanised tube, plated swing arm stub and inner tube.

100 – 400

62

Unbraked

205 / LM

85

13”

401 – 850

80

10” Electric

205 / LM

110

14”

851 – 1450

97

10” Electric

205 or 235 / Slimline

130

14”

851 – 1600

110

10” Electric

235 / Slimline / Parallel

145

16”

1601 – 2500

120

12” Electric

255 / 2T

135

16”

OFF ROAD (15”/16” Wheels only) – Zinc plated or hot dipped galvanised tube, plated swing arm stub and inner tube.

851 – 1600

110

10” Electric, 12” Electric, Hyd or Mech Disc

235 / Slimline / Parallel

145

16”

1601 – 2500

120

12” Electric, Hyd or Mech

Disc

255 / 2T

135

16”

MARINE (u-bolt fitted double width brackets) – Hot dipped galvanised tube, plated swing arm, stub and inner tube.

100 – 400

62

Mechanical Disc or Unbraked

205 / LM

85

13”

401 – 850

80

Hydraulic or Mech Disc

205 / LM

110

14”

851 – 1450

97

Hydraulic or Mech Disc

205 or 235 / Slim- line

130

14”

851 – 1600

110

Hydraulic or Mech Disc

235 / Slimline Parallel / 1.5T

145

16”

1601 – 2500

120

Hydraulic or Mech Disc

255 / 2T

135

16”

** All axles are available unbraked or with the brake options as shown.
* “Unloaded” refers to the chassis being supported and suspension arms hanging free.
** Nominal suspension travel is 50mm at design load & a further 40-45mm at bump

Universal Chassis Bracket

To assist in fitting AL-KO IRS axles to individual chassis, a Universal bracket has been developed which is welded to the trailer chassis and the AL-KO IRS axle is bolted to the bracket through side mounting bolts.

Part Number Description
200170 Universal Chassis Bracket
Suit 80-120mm outer tube, Zinc plated – Suits standard and low line ride height/ incorporates shock absorber mounting holes.
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