RAM RAM TRUCK 2500 User Manual download pdf (Page 12)

UNCOMPROMISING SUPPORT AT EVERY TURN.

Tough rear frame structural crossmembers are characteristic of all Ram Heavy Duty

models—engineering that enables fifth-wheel or gooseneck hitch capability, and

which materially contributes to those best-in-class

[1]

towing* numbers. Serious

backbone joins strength of character; these pickups let you scoff at a lifetime at

hard labor.

Both Ram 2500 and 3500 use 50 ksi steel, with eight tough crossmembers

all contributing to robust towing and hauling. The front and rear sections are

produced through hydroforming, a process that ensures durable strength and mass

efﬁciencies. Rail contours are ideally placed for the suspension components and

ancillary mounts.

Formidable front axle and suspension engineering makes Ram Heavy Duty the

choice for front-load accessories. These Rams bring a best-in-class

[1]

1,265-lb

snow plow rating to work for you.

The proven ladder frame also features a large front suspension crossmember with

hydroformed front and rear sections and roll-formed center rail sections in a smart,

outwardly curved position to improve rear spring and shock placement.

THE STANDARD 3500 DRW HOTCHKISS LEAF SPRING REAR SUSPENSION

The demands put on the 3500 weight class compel unrelenting capability. Shown here is the Ram 3500 Dually model, with

its standard Hotchkiss leaf spring rear suspension ably meeting every requirement for payload and occupant comfort.

Whether used for business or pleasure, a Ram Heavy Duty gives you the means to

master the toughest tasks. This frame strength measures up with the resilient

stiffness that gives you no-nonsense towing with notable structural integrity to

ensure occupant comfort when hauling big payloads. The 2015 Ram Heavy Duty

high-strength steel frames mean you’re riding on the solidity of 50 ksi steel. This

chassis enables Ram tough capability, especially when towing and hauling—the

very purpose of a Ram Heavy Duty.

The Ram Heavy Duty frame is engineered to be tougher, stronger and larger than the

previous generation with eight tough crossmembers. Wide rails and a front rail

extension of two inches enabled front suspension springs to be positioned slightly

outboard, generating more roll stiffness to improve the ride.

All Ram 2500/3500 models feature as standard equipment the unique three-

link front suspension. As well as incorporating the three-link front suspension

technology, we also integrated a large stabilizer bar to ensure the roll stiffness

required by the high GVW ratings of Ram Heavy Duty. Those numbers are

impressive, reaching up to 10,000 lb for Ram 2500 and up to 14,000 lb for

Ram 3500 models.

Shared Ram 2500/3500 technology also embraces the front axle disconnect, which

automatically disengages the front drive axle when reengaging the rear-wheel-drive

mode on 4WD models. Our front axle disconnect design was purposeful from the get-

go, helping reduce parasitic losses which in turn helps improve fuel efficiency.

*When properly equipped.

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RAM RAM TRUCK 2500 User Manual Page 12

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