LifeTrac II (shortened) hydraulic parts list

Hydraulics

Note that the following list involves 2 loaders. For a simpler version, a single front loader is sufficient. Two loaders are used for extreme flexibility.

(download Blender file here)

Main

Parts from Surplus Center:

Note: Green indicates finalized shopping list from Surplus Center. Blue indicates list from McMaster Carr. Red is Dalton Hydralics. See Parts Sourcing for contact information.

1. [8] flange Bearings - [2]
2. [2] Front Loader cylinders - 36" - $174 - 48 5/8" retracted length - [3]
3. [4] 3/8 NPTM x 1/2 NPTF 90 SWIVEL [4] for Front Loader Cylinders up to hose
   1. 4.9 square inch area at 2500 PSI implies 12000 lb of force for each cylinder
4. [4] QA plate hydraulic cylinders & 2 Rear Loader [5]
5. [4] Motors - [6]
   1. [8] SAE M 10 to NPT M 1/2" for Ports [7]
   2. [4] SAE 4M TO 1/4" NPTM CONNECTOR for Case Drains [8]
   3. [8] 1/2" QC for Motors [9]
   4. [4] 1/4" QC for motors [10]
6. [4] 1-1/4" shaft couplers - [11]
7. [1] 1-3/8" 6T fully splined shafting - [12]
8. [2] Female 1-3/8" 6T spline coupling - [13], $30 each
9. [12] 1.875" double split shaft collars - [14]
   1. got 10 double split
   2. got 2 single split - [15]

Valves

• [1] 3-spool motor valve, 25 gpm - [16], $288
• [4] 1/2" Quick Couplers [17] - for motor valve work ports
• [4] 1/2" NPT M to NPT M 90deg Elbow for Motor Valve working ports [18] - for 2 sets of work ports to wheel motors
• [4] 3/4" NPT quick couplers - Dalton Hydraulics - 2 for in/out, 2 for auxiliary work ports
• [2] 1/2 NPT hex nipples [19]-for auxiliary pair of motor valve work ports
• [2] 3/4 NPT hex nips [20] - in and out of valve
• [2] 3/4 NPT to 1/2 NPT bushing [21] - auxiliary work ports

OSE Danfoss Black 2 Spool

• [4] SAE 8M TO 1/2" NPTM CONNECTOR for working ports [22]
• [6] 1/2" NPT QUICK COUPLER F/F S20-4 [23]
• [1] SAE 10 PLUG for OSE BLACK 2 Spool [24]
• [2] SAE 10M TO 1/2" NPT CONNECTOR [25]

3 Spool Husco

• [1] 3/4" NPT quick couplers - Dalton Hydraulics - 1 pair for inlet
• [1] 3/4" NPT nip - [26] - for inlet
• [3] 1/2" nip for return cross [27]
• [1] 1/2"-1/4" bushing - to accept case drain return [28]
• [2] quick coupler pairs for return line - [29]
• Pipe cross fitting on the return line to accommodate case drain return - [30]
• [1] SAE 12 M to NPT 3/4 M Connector [31]
• [1] SAE 10M TO 1/2" NPT CONNECTOR [32]
• [1] 1/2 X 1/2 X 1/2 NPTF TEE [33]

2 Spool Prince Valve

• [1] 3/4" Quick Coupler for outlet (already included in central 3-spool motor valve)
• [2] 3/4" NPT nip for inlet/outlet - [34]
• [1] 3/4" NPT tee (already have these) for inlet
• [2] 3/4" to 1/2" bushings - [35]
• [1] 1/2" NPT male elbow - [36]
• [2] 1/2" quick coupler pairs - [37]

Cushion Valves

• [2] 1/2 NPT 30 GPM 1500-3000 PSI HYD CUSHION VALVES - [38]
• [4] 1/2" male QC tips to plug into valves, which already have female QCs [39]
• [2] 1/2 NPTM x 1/2 NPTF swivel [40] for cushion valve to mount tees, for separating to right and left cylinders; only one swivel needed per cushion valve
• [4] 1/2" nip - [41] - going from between swivel and tee.
• [4] NPTF Tee [42]- 4 for loaders only, not QA plates

Power Cube

• [1] Coupler half, 5/8" - $10
• [1] Coupler half, 1" - $10
• [1] Solid spider - $14
• [1] Breather cap - [43] - $8
  • [1] 3/4 NPT coupling - found at big box hardware stores
• [1] Suction strainer, 2" tp 1-1/4" - [44] - $23
  • Use for dual Power Cubes
  • [1] Use 2" coupler from bix box store to thread into Power Cube frame
• [1] Pressure relief for power cube bypass- [45]

Between Motor Valves & Motors

• [4] 1/2" X 36" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE for in/out of the valves [46]
• [4] 1/2" X 36" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE for in/out of front motors [47]
• [4] 1/2 X 1/2 X 1/2 NPTF TEE [48]
• [4] 1/2" X 48" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE for rear motors [49]

Motor Case Drains

• [2] 1/4" X 72" NPTM 2750 PSI HYD HOSE to run parallel with tractor sides [50]
• [1] 1/4" X 30" NPTM 2750 PSI HYD HOSE from Tee to Tee in return hose [51]
• [1] 1/4" X 36" NPTM 2750 PSI HYD HOSE to Rear Motors [52]
• [3] 1/4 X 1/4 X 1/4 NPTF TEE [53]
• [3] 1/4 NPT hex nipples [54]
• [4] 1/4" NPT quick couplers are already with the motors

Front Loader

• [2] 1/2" X 12" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE from Valves to Cushion [55]
• [2] 1/2" X 36" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE for left front loader cylinder [56]
• [1] 1/2" X 48" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE for right front loader cylinder [57]
• [1] 1/2" X 60" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE for right front loader cylinder [58]

Front loader QA Cylinder Hoses

• [4] 3/8" NPTM x 1/2" NPTF swivel - [59] - swivels for QA cylinders
• [2] 1/2" nips - going from cylinder swivels to tees - [60]
• [2] 1/2" NPTF tees - from cylinder to hoses - [61]
• [2] male QC tips - for plugging into control valves - [62]
• [2] 1/2" X 48" NPTM 3000 PSI HYD HOSE [63]
• [1] 1/2" X 120" NPTM 3000 PSI HYD HOSE [64]
• [1] 1/2" X 144" NPTM 3000 PSI HYD HOSE [65]

Rear Loader Hoses

• [2] 1/2" X 12" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE to Cushion Valve [66]
• [1] 1/2" X 60" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE [67]
• [1] 1/2" X 96" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE [68]
• [1] 1/2" X 84" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE [69]
• [1] 1/2" X 120" 1/2 NPTM X 1/2 NPTM 3000 PSI HYD HOSE [70]

Rear loader Q.A. Cylinder Hoses

• [4] 3/8" NPTM x 1/2" NPTF swivel - [71] - swivels for QA cylinders
• [2] 1/2" nips - going from cylinder swivels to tees - [72]
• [2] 1/2" NPTF tees - from cylinder to hoses - [73]
• [2] male QC tips - for plugging into control valves - [74]
• [2] 1/2" X 48" NPTM 3000 PSI HYD HOSE [75]
• [1] 1/2" X 120" NPTM 3000 PSI HYD HOSE [76]
• [1] 1/2" X 144" NPTM 3000 PSI HYD HOSE [77]

Seat

• [1] Tractor Seat [78]

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

Wheel motor shaft coupler

Shaft collars, 3 per wheel

2 spool motor valve, 25 gpm

5 spool valve, 20 gpm

Cushion valve for front and rear loaders

1/2 inch NPT swivel

1/2 inch NPT nip

Half inch tee

Pressure relief valve for Power Cube

Spline shaft, male