The R Model Macks never came with Hendrickson suspension.
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Available as factory option along with many other types of tandem suspension.
Mack in Australia had a marketing programme of "all Mack powertrain" whereas the parent company in the US are custom builders and for decades have offered many options of engine transmission, diffs, suspension.
Yup first introduced in the early 1960s although the Army 6x6 had a different bonnet arrangement to the 6X4 civilian trucks.
Yep, R600 is the model.
The Macks of that era did not come with optional Hendrickson or airbags. With this model you got Mak engine, Mack gearbox, Mack diffs & Mack Camel back rear suspension. For the R model there were no other options. Actually back in 1983 airbags were very rare on any vehicle.
As I said in my earlier post, Mack Australia had a marketing policy of "all Mack". Of course this depended on how badly they needed your business. Witness the Cummins engines for Wettenhalls and Fuller gearboxes in many others. Air bag suspensions have been around for decades. Motor Truck Engineering by James Fitch, 1969, has them mentioned. The setup on a Peterbilt looks just like those used today. Just that they did not come into common use until legislation gave favour to the so-called "road friendly suspensions".
So what you're telling us is that the Army R series 6X6 selling through AFM do not have airbags.
Quick someone ring up the Office of Fair Traing we're being lied to.
Description
6x6 Flat Top Truck - Mack R6X6 NIL with Crane 02/1985
Body Type: approx 6m (l) x 2.4m (w)
VIN: A18394
Engine: Mack EM6-285 diesel
Transmission: Mack Maxitorque manual
Odometer reads: 126,428kms - (Note: May not be indicative of actual kilometers travelled. Potential purchasers should refer to any record of service/ log books)
Hourmeter: 5,394 hours - (Note: May not be indicative of usage hours. Potential purchasers should refer to any record of service/ log books)
Features: Keyless ignition, air conditioned cab, service record book, sun visor, 10 stud rims, container pins, 12.00 R20 tyres, spare wheel, rear pintle hitch, chassis mounted storage boxes, under deck storage boxes, jerry can holder, drab olive canvas cover
Exterior: Camouflage
Suspension: Air bag (rear)
GVM: 24,340kg
Note: Marks, dents and scratches commensurate with age and use
Vendor Number: 54215-6
ARN # 36559 (54215-6)