Fri May 03, 2013 9:12 am
OR: How much lift could a rockshaft lift if a rockshaft could lift lift?
Dumb question but what is the weight limit for the rear rockshaft? (Probably could look it up but it's a conversation starter)
More crazy ideas in my head for the '53. I have a fast hitch socket from a 560 tractor, and a new plasma cutter, so I'm thinking poor man's fast hitch.
Fri May 03, 2013 9:14 am
Fri May 03, 2013 9:20 am
It will lift enough for the front wheels to get real light and sometimes need a brake assist for steering, even with front weights.
Sat May 04, 2013 5:45 am
My lo boy with the fast hitch will , as John said , lift the front tires (no weights) with a " York Rake" attached....
I think I read somewhere it will lift 700 pounds, but Mr Dale is probable closer...
Sat May 04, 2013 8:53 am
here is some info
FAST·HITCH LOAD LIMITATIONS
ACautionl Do not overload the rear axle or
the Fast-Hitch co:mponents with the
equip:ment or accessories.
The transport loads listed below are considered
satisfactory for Fast-Hitch operation..
The equip:ment weights shown in the following
exa:mples do not include any allowance for additional
weights on the equip:ment.
a. Five-foot disk harrow with ten 20-inch
disks-360 pounds-use a rear wheel tread setting
up to 56-inches.
b. Rotary hoe-355 pounds-use a rear
wheel tread setting up to 56-inches.
c. Utility carrier.
International Cub - with a 400 pound payload in
the center of the platfor:m - use a rear
wheel tread setting up to 56-inches.
International Cub La-Boy - use a rear wheel
tread setting up to 56-inches with the front
tire tubes filled three-quarters full with a
calciu:m chloride solution. the pay load:must
be proportioned to the a:mount of front end
weight as follows:
PULL BAR EXTENSION
A pull bar extension is available for pulling
trailing-type equlp:ment. When in use, the
extension is attached to the pull bar with the
hitch hole toward the rear. It is held in place
by a pivot pin and a quick attachable cotter
pin. When not in use, the pull bar extension
should be turned with the hitch hole toward
the front. See lIIusts. 15 and 16.
When plowing, the lock bolt (or hand
screw) on the diagonal link :must be loose or
unscrewed far enough so that the diagonal link
is free so the plow can swing fro:m side to
side. Additional lateral swing can be obtained
when required. by re:moving the quick-attachable
cotter pin "A" (lIIusts. 15 and 16) fro:m the
pull bar support.
Mini:mu:m Front End W.eight
1 set of one-piece weights (50 lbs.)
1 set of two-piece weights or 2 sets
of one-piece weights (100 lbs. )
1 set of two-piece weights and 1 set
of one-piece weights (150 lbs. )
1 set of two-piece weights and 2
sets of one-piece weights (200 lbs.)
When operating with :middlebusters or cultivators.-
the lock bolt :must be screwed in tightly
to keep the unit in a rigid position to prevent
the equip:ment fro:m swinging.
When cultivating crops with high foliage.
turn the depth adjusting crank so the hitch bail
is set at its highest position. If necessasy the
In general. the loads :must decrease as the
tread settings increase. and the loads :must
decrease as the distancefro:m the rear axle
to the center of gravity of the load increases.
Sat May 04, 2013 11:24 am
Atta Boy Mike... No mo guessing....Dave
Sat May 04, 2013 7:29 pm
The hydraulic service manual says that 300lbs off the rear rockshaft is "half the permissible load" but it's sort of unclear what that means anyway.
My tractor lifts 400lbs dead weight max with the rear rockshaft.
I'm assuming those fast hitch load limits that Mike posted are with the use of the fast hitch helper spring -- and not to mention, the particular geometry of the fast hitch. The angles, lengths, leverage of the components of a hitch dramatically influence the effective weight that the hydraulic cylinder "feels".
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