The Torflex suspension system is a torsion arm type suspension which is completely self contained within the axle tube. It attaches directly to the trailer chassis using brackets which are an integral part of the axle assembly. The Torflex axle provides improved suspension characteristics relative to leaf spring axles through the unique arrangement of a steel bar surrounded by four rubber cords encased in the main structural member of the axle beam.
The wheel/hub spindle is attached to a lever, called the torsion arm, which is fastened to the rubber encased bar. As load is applied, the bar rotates causing a rolling/compressive resistance in the rubber cords. This system provides true independent suspension, with far fewer components than conventional systems.
Due to the unique way the Torflex is designed and manufactured, the available 7 ride heights, self damping action and independent suspension, Torflex delivers a smooth, quiet ride like no other – adding up to an improved towing experience.
Except for periodic inspection of the fasteners used to attach the Torflex axle to the vehicle frame, no other suspension maintenance is required on Torflex axles. They are, of course, subject to normal maintenance and inspection procedures regarding brakes, hubs, bearings, seals, wheels and tyres. Additionally, Torflex comes with E-Z lube as standard to minimise time spent maintaining hub grease (see below – What is E-Z lube).
The inbuilt strength of Torflex means that it can be used as a structural cross member, thus reducing chassis weight. Further, depending on the configuration, Torflex can save weight when compared to the total weight of a traditional system. This largely due to the fact that Torflex is an axle and suspension in one unit rather than a combination of axle and suspension.
Torflex is distributed throughout Australia & New Zealand by Melbourne Trailer & Caravan Supplies. This means you have the benefit of a product from a world leading manufacturer with the legendary local support offered by Melbourne Trailer & Caravan Supplies with the confidence to give an industry unparallelled 5 year on road warranty.
Range of capacities from 270 kg – 4500 kg.
Independent wheel suspension and self damping action.
Less transfer of road shock for better cargo protection.
Forged torsion arm and heat treated solid steel inner bar for maximum strength
Designed for sealed roads and graded unsealed roads
Multiple ride heights available
Suits a wide range of rims.
Rubber cushioning eliminates metal to metal contact reducing the maintenance requirement
E-Z lube feature – no need to remove drum for bearing lubrication
Single or tandem axle assemblies.
Axle can be used as a load carrying cross member.
Easy Installation.
Weld bracket or bolt direct mounting.
Available in half units and full beam.
The E-Z Lube system consists of axle spindles that have been specially drilled and assembled with grease fittings. With grease pumped into the fitting, it is channelled to the inner bearing, then to the outer bearing, and eventually back out the grease cap hole for a complete bearing repack. The protection and maintenance features of the E-Z Lube system make it ideal for most towable axles. E-Z Lube is designed to allow for immersion in water.
| Torflex | single axle | tandem axle |
|---|---|---|
| No. 8 | 270 kg-495 kg | 440 kg-820 kg |
| No. 9 | 450 kg-990 kg | 740 kg-1640 kg |
| No. 10 | 1270 kg-1590 kg | 2110 kg-2650 kg |
| No. 11 | 2160 kg-2700 kg | 3600 kg-4500 kg |
| No. 12 | 2540 kg-3180 kg | 4240 kg-5300 kg |
| No. 13 | 3620 kg | 6000 kg |
| Torflex | bracket | face to face |
|---|---|---|
| No. 9 | 78” [1982mm] | 91” [2312mm] |
| No. 10 | 78” [1982mm] | 91” [2312mm] |
| No. 11 | 74.5” [1893mm] | 89.5” [2274mm] |
| No. 12 | 74.5” [1893mm | 89.5” [2274mm] |
| No. 13 | 74.5” [1893mm] | 89.5” [2274mm] |
22UT – 22 Degree up trail
10UT – 10 Degree up trail
Zero – Zero Degree trail
10DT – 10 Degree down trail
22DT – 22 Degree down trail
32DT – 32 Degree down trail
45DT – 45 Degree down trail
| Torflex | bracket | face to face | Trail Angle | Single Capacity | Tandem Capacity |
|---|---|---|---|---|---|
| No. 11 | 61.6” [1565mm] | 76.6” [1946mm] | 45DT | 1455 kg-1818 kg | 2424 kg-3030 kg |
| No. 11 | 61.6” [1565mm] | 76.6” [1946mm] | 45DT | 1818 kg-2273 kg | 3030 kg-3788 kg |
| No. 11 | 61.6” [1565mm] | 76.6” [1946mm] | 45DT | 2182 kg-2727 kg | 3636 kg-4545 kg |
| TRAIL DEG. | NO LOAD | FULL LOAD | SHOCK LOAD | |||
|---|---|---|---|---|---|---|
| H | L | H | L | H | L | |
| 45DT | 3.84 | 2.83 | 2.54 | 3.70 | 1.79 | 3.92 |
| 32DT | 3.13 | 3.39 | 1.67 | 3.95 | 0.89 | 4.00 |
| 22DT | 2.54 | 3.70 | 1.01 | 4.00 | 0.23 | 3.92 |
| 10DT | 1.70 | 3.94 | 0.14 | 3.91 | -0.60 | 3.66 |
| ZERO | 1.01 | 4.00 | -0.52 | 3.70 | -1.21 | 3.33 |
| 10UT | 0.32 | 3.94 | -1.14 | 3.37 | -1.76 | 2.89 |
| 22UT | -0.52 | 3.70 | -1.82 | 2.83 | -2.32 | 2.22 |
NB: Positive numbers in the H column indicate the spindle is BELOW the top of the bracket. Conversely, negative numbers are ABOVE the top of the bracket.
*ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
**ALLOW 3” BUMP CLEARANCE FROM FULL LOAD
Full Load Dimensions
Dimensions are for low profile, top mount only. Side mount is 18” higher. Allow 3” bump clearance from full load
ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
| TRAIL DEG. | NO LOAD | FULL LOAD | SHOCK LOAD | |||
|---|---|---|---|---|---|---|
| H | L | H | L | H | L | |
| 45DT | 5.46 | 4.42 | 3.52 | 5.54 | 2.39 | 5.88 |
| 32DT | 4.40 | 5.09 | 2.21 | 5.92 | 1.04 | 6.00 |
| 22DT | 3.52 | 5.54 | 1.22 | 6.00 | 0.05 | 5.88 |
| 10DT | 2.26 | 5.91 | -0.08 | 5.86 | -1.20 | 5.49 |
| ZERO | 1.22 | 6.00 | -1.08 | 5.54 | -2.11 | 4.99 |
| 10UT | 0.18 | 5.91 | -2.00 | 5.06 | -2.93 | 4.33 |
| 22UT | -1.08 | 5.54 | -3.02 | 4.24 | -3.77 | 3.33 |
NB: Positive numbers in the H column indicate the spindle is BELOW the top of the bracket. Conversely, negative numbers are ABOVE the top of the bracket.
*ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
**ALLOW 3” BUMP CLEARANCE FROM FULL LOAD
Full Load Dimensions
Dimensions are for low profile, top mount only. Side mount is 18” higher. Allow 3” bump clearance from full load
ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
| TRAIL DEG. | NO LOAD | FULL LOAD | SHOCK LOAD | |||
|---|---|---|---|---|---|---|
| H | L | H | L | H | L | |
| 45DT | 5.73 | 4.24 | 3.79 | 5.54 | 2.66 | 5.88 |
| 32DT | 4.67 | 5.09 | 2.48 | 5.92 | 1.31 | 6.00 |
| 22DT | 3.79 | 5.54 | 1.49 | 6.00 | 0.32 | 5.88 |
| 10DT | 2.53 | 5.91 | 0.19 | 5.86 | -0.93 | 5.49 |
| ZERO | 1.49 | 6.00 | -0.81 | 5.54 | -1.84 | 4.99 |
| 10UT | 0.45 | 5.91 | -1.73 | 5.06 | -2.66 | 4.33 |
| 22UT | -0.81 | 5.54 | -2.75 | 4.24 | -3.50 | 3.33 |
NB: Positive numbers in the H column indicate the spindle is BELOW the top of the bracket. Conversely, negative numbers are ABOVE the top of the bracket.
*ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
**ALLOW 3” BUMP CLEARANCE FROM FULL LOAD
Full Load Dimensions
Dimensions are for low profile, top mount only. Side mount is 18” higher. Allow 3” bump clearance from full load
ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
| TRAIL DEG. | NO LOAD | FULL LOAD | SHOCK LOAD | |||
|---|---|---|---|---|---|---|
| H | L | H | L | H | L | |
| 45DT | 6.01 | 4.24 | 4.07 | 5.54 | 2.94 | 5.88 |
| 32DT | 4.95 | 5.09 | 2.76 | 5.92 | 1.59 | 6.00 |
| 22DT | 4.07 | 5.54 | 1.77 | 6.00 | 0.61 | 5.88 |
| 10DT | 2.81 | 5.91 | 0.47 | 5.86 | -0.65 | 5.49 |
| ZERO | 1.77 | 6.00 | -0.53 | 5.54 | -1.56 | 4.99 |
| 10UT | 0.73 | 5.91 | -1.45 | 5.06 | -2.38 | 4.33 |
| 22UT | -0.53 | 5.54 | -2.47 | 4.24 | -3.22 | 3.33 |
NB: Positive numbers in the H column indicate the spindle is BELOW the top of the bracket. Conversely, negative numbers are ABOVE the top of the bracket.
*ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
**ALLOW 3” BUMP CLEARANCE FROM FULL LOAD
Full Load Dimensions
Dimensions are for low profile, top mount only. Side mount is 18” higher. Allow 3” bump clearance from full load
ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
| TRAIL DEG. | NO LOAD | FULL LOAD | SHOCK LOAD | |||
|---|---|---|---|---|---|---|
| H | L | H | L | H | L | |
| 45DT | 6.49 | 4.24 | 4.55 | 5.54 | 3.42 | 5.88 |
| 32DT | 5.43 | 5.09 | 3.24 | 5.92 | 2.07 | 6.00 |
| 22DT | 4.55 | 5.54 | 2.25 | 6.00 | 1.08 | 5.88 |
| 10DT | 3.29 | 5.91 | 0.95 | 5.86 | -0.17 | 5.49 |
| ZERO | 2.25 | 6.00 | -0.05 | 5.54 | -1.08 | 4.99 |
| 10UT | 1.21 | 5.91 | -0.97 | 5.06 | -1.90 | 4.33 |
| 22UT | -0.05 | 5.54 | -1.99 | 4.24 | -2.74 | 3.33 |
NB: Positive numbers in the H column indicate the spindle is BELOW the top of the bracket. Conversely, negative numbers are ABOVE the top of the bracket.
*ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
**ALLOW 3” BUMP CLEARANCE FROM FULL LOAD
Full Load Dimensions
Dimensions are for low profile, top mount only. Side mount is 18” higher. Allow 3” bump clearance from full load
ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
ALL MEASUREMENTS ARE IN INCHES AND FOR LOW PROFILE, TOP MOUNT ONLY.
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