LifeTrac II Part Sourcing

Cut List

Square tube:

• 4 × 7'8"×4"×4" tubes for base
• 3 × 5'×4"×4" under base tubes
• 2 × 52"×4"×4" vertical chassis centre tubes
• 2 × 55"×4"×4" vertical chassis tubes for front corners
• 2 × 59"×4"×4" vertical chassis tubes for rear corners (PC mounting area)
• 2 × 84"×4"×4" top chassis tubes
• 3 × 44"×4"×4" top chassis tubes

Rounds:

• 4 × 28"×1-7/8" axle shafts
• 4 × 54"1-7/8" loader shafts
• 2 × 100"×6"×2" front loader arm tubes
• 2 × 84"×6"×2" rear loader arm tubes
• 12 × 8" dom to mount loader shafts to loader arms.
• 1-7/8"bore bushing tubing to mount loader arm shafts to frame
• 1"bore tubing for 8 bushings to connect h/cylinders to loaders
• plate to mount bushings to loader arms

Plate:

• 12 × 10"×8"×0.5" steel plates to mount flange bearings and hydraulic motors to
• 2 × 12"×12"×1/2" plate to mount h/cylinders to base
• 4 × 32"diameter × 9" wheels
• 1/2"plate & 1-15/16"tubing to make wheel mounts

Other

• [16] thrust bearings - in the form of large washers with 1-7/8" hole.
• [8] double-split shaft collars, 1-7/8"

Bolts

Functionality list:

• [40] 3/4x5-1/2", with [40] washers for one side and [40] metal lock nuts for the other side. For wheel plates & cylinder plates.
• [42] 3/4"x9" bolts, [80] washers, and [40] metal lock nuts. This is for the assembly of the main frame.
• [16] 1/2"x2" bolts + [16] nylon lock nuts + [16] lock washers to suit. Motor attachment to motor interface plate. These could be 2" studs, as these are welded to the motor interface plate.
• [8] 3/4"x2" bolts for motor; [8] nuts to weld; [8] lock washers. Attachment of motor interface plate to frame.
• [32] 5/8"x2"bolts + [32] metal lock nuts, [32] lock washers to suit. Mounting of bearings to frame.
• [32] 9/16"x2" fine thread bolts, [32] washers, [32] nylon lock nuts. Attachment of wheel to wheel hub. Includes studs, nuts, and washers.
• [4] 3/4"x4.5" bolts; [8] nuts; [4] nylon lock nuts. Mounting of wheel bushings to wheel shafts.

TOTALS:

• [40] 3/4"x5.5" bolts
• [42] 3/4"x9" bolts
• [4] 3/4"x4.5" bolts
• [8] 3/4"x2" bolts
• [120] 3/4" washers
• [80] 3/4" metal lock nuts
• [16] 3/4" nuts
• [4] 3/4" nylon lock nuts
• [8] 3/4" lock washers

• [16] 1/2"x2" bolts
• [16] 1/2" nylon lock nuts
• [16] 1/2" lock washers

• [32] 5/8"x2" bolts
• [32] 5/8" metal lock nuts
• [32] 5/8" lock washers

• [32] 9/16"x2" bolts
• [32] 9/16" washers
• [32] 9/16" nylon lock nuts

Surplus Center

[[Image:178bearings.jpg|thumb]Wheel bearings]

Front loader cylinder

Front loader cylinder fittings

Rear loader cylinder

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Rear loader cylinder fittings

Quick attach plate cylinder

Wheel motors

Wheel motor fittings

File:Lt2wheelmotorcdfittings.jpg

Wheel motor case drain fittings

Spline coupler, female part

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Spline shaft, male

Functionality list:

• [8] flange Bearings - [1]
• [2] Front Loader cylinders - 36" - $174 - 48 5/8" retracted length - [2]
• [4] 3/8 NPTM x 1/2 NPTF 90 SWIVEL [3] for Front Loader Cylinders
  • 4.9 square inch area at 2500 PSI implies 12000 lb of force for each cylinder
• [0] Rear loader cylinders - [4]
• [0] SAE 8M x 1/2 NPTF 90 SWIVEL [5] for Rear Loader Cylinders
• [6] 4 Quick Attach (QA) plate & 2 Rear Loader hydraulic cylinders [6]
• [12] 3/8 NPTM x 1/2 NPTF 90 SWIVEL [7] for QA Plate Cylinder
• [4] Motors - [8] + [8] SAE M 10 to NPT M 1/2" [9]
• [4] 1-1/4" shaft couplers - [10]
• [1] 1-3/8" 6T fully splined shafting - [11]
• [2] Female 1-3/8" 6T spline coupling - [12], $30 each
• [12] 1.875" double split shaft collars - [13]

Valves:

• [2] 4 SPOOL SV VALVE OPEN CENTER (configured) - [14]
  • Good idea, but only 12 gpm rated
• [1] 4-1/2 spool control valve with one motor spool - [15], $300
  • Check if this works, plus get correct fittings. [16] may work to connect one valve directly to other.
• [1] 2-spool motor valve, 25 gpm - [17], $200
• [2] 3/4"-1/2" reducer bushing - [18] for motor valve inlet and outlet.
• [2] 1/2 NPT 30 GPM 1500-3000 PSI HYD CUSHION VALVES - [19]

More:

• [4] 1/2 NPTM x 1/2 NPTF SWIVEL [20] for cushion valve
• [4] 1/2" nip - [21], $1.35
• [8] NPTF Tee [22]- 4 for loaders, 4 for QA plates
• [1] Pressure relief for power cube bypass- [23]
• [1] - tee for bypass
• Quick Couplers & Tips (need to select Q.C. to Swivel ratio); [24]
  • [2] for Power Cube (PC)
  • [8] 1/2" for Motors
  • [4] 1/4" for motors
  • [13?] 1/2" for valves
  • [4] 3/4" quick couplers for valve inlets and outlets
• Power Cube bypass -
• hoses [25]
• ?(Hydraulic pump?) [26]
• [1] Tractor Seat [27]

• (what have i missed?)