4 Wheel & Off Road – October 2019

(C. Jardin) #1
4WHEELOFFROAD.COM 4-WHEEL & OFF-ROADOCTOBER 2019 63

is incredibly strong. Unfortunately that’s often
not practical, but with this build we did get seri-
ous about triangulating the upper portion of
the cage. All of the front and rear triangulated
bars meet at a node on the B-pillar, which will
be fur ther reinforced w ith angled tubing that
ties to the harness bar and ultimately the frame.
There are al so pl ans to gusset most of the tube
intersections that aren’t already triangulated
with 1.5-inch DOM.

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The doorsills on a Scout 80 are comically
high compared to the floor, so there was
a lot of real estate to pl ay w ith w hen coming up
with a plan for the rock sliders. By incorporating
the rock sliders into the outriggers for the cage,
the sliders will help tie the cage mounting points
together and will also serve as extra reinforce-
ment for the seat frames that w ill eventually be
built inside. We intentionally left the 2.00x0.188-
wall DOM tubing long so that we can fine-tune tire
clearance once the axles are in place.

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Truth be told, we attacked the rollcage
and sheetmetal modifications because
we were waiting on some major components to
show up, namely the engine and the axles. We’re
excited to have Cummins as a returning sponsor
for this year’s Ultimate Ad venture, and w hat bet-
ter powerplant to use on an old tractor than a
Cummins R2.8? This will be the third UA build to
feature an R2.8, but we have some tricks up our
sleeve to make this one prett y unique.

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One of the tricks we will go ahead and
reveal is an all-new Tremec five-speed
transmission. The TR-4050 features a host of
drool-worthy features, including a 6.11:1 First
Gear, a 0.76:1 Overdrive, full synchronization in
all gears, and an impressive torque rating. Just
released by Silver Spor t Transmissions, this is
one of the first aftermarket production units
to see dut y in a 4x4. Coupled w ith an Of froad
Design Doubler, there w ill be no shor tage of
gearing options available.

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