3000 Lift arm choices from this site?

I broke a right lift arm the other day. I welded it back but I plan to buy both left and right arms for good measure. Question is: will the cheaper-priced arms suffice? I see different P/Ns for the two. See this site's pricing below.

Lower Lift Arm - Left - Left hand, 9\16" thick, 5160 steel. 32 inch hole centers. For 600, 800 (1955-64); 2000, 3000, 2600, 3600 (1965-81). (Part No: D0NN555CLH) $59.90
OR
Lower Lift Arm, Cat II - Left or right hand, 34.646" center hole to center hole, 3.504" wide, .709" thick, Rigid forged type ends. For Models: 250C, 260C, 2810, 2910, 3000, 3055, 3230, 3430, 345D, 3550, 3900, 3910, 3930, 4000, 4100, 4110, 4130, 4200, 4330, 4340, 4400, 4410, 445D, 4500, 4600, 4610, 4630, 4830, 5030, 515, 532, 535, 545D. Replaces 82002004, C5NN555AL, C7NN555S. (Part No: 81821330) $125.00
 
I don't think the model 3000 belongs in the second group, nor does an early 4110. These tractors have a smaller tractor end draft link ball than all the other listed models, which have planetary final drive and wet brakes.
 
one is 32 inches from hole to hole, the other is longer.. .measure you old link.. or you will pull in circles....
 
Should have looked first!


Category 0
For Tractors with up to 20 Horsepower
Top Link Pins are 5/8 inch in Diameter
Lift Arm Pins are 5/8 inch in Diameter


Category 1

For Tractors with 20 to 45 Horsepower
Top Link Pins are 3/4 inch in Diameter
Lift Arm Pins are 7/8 inch in Diameter


Category 2

For Tractors with 55-65 to 90-95 Horsepower
Top Link Pins are 1 inch in Diameter
Lift Arm Pins are 1 and 1/8 inch in Diameter


Category 3

For Tractors with 95 to 100 Horsepower and Up
Top Link Pins are 1 and 1/4 inch in Diameter
Lift Arm Pins are 1 and 7/16 inch in Diameter
 
Well I just ordered a pair of arms from this fine site. I tried welding (grooving and building up) but the arm popped as soon as it was in a bind!
 
You can also buy replacement ball ends. You cut the old ends off and weld new ones on... but you want to be sure of your welding.
In reality it's probably just as cheap to buy the complete new arms if you value your time.

Rod
 

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