Power Cube II Bill of Materials

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Power Cube
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Parts List

Last updated 26 August, 2010

Power Cube II engine
Suction strainer, 14 gpm
Suction strainer, 23 gpm
Hydraulic pump, 14 gpm

Frame

  • 1/4"x4"x4" mild steel square tubing - 22 feet @$8.15/foot - $180 - 286 lb
  • Quick attach system
Hydraulic and gasoline filler/breather.

Engine

  • 18 hp Engine - $479 - [1]- 81 lb. Sorry, steam engine is forthcoming.
    • Note: engine spins counterclockwise (CCW) from PTO side, so pump must have clockwise (CW) rotation
  • (27 hp engine - $750 - [2] (no muffler))
  • (27 hp engine - $890 - [3] (no muffler))
  • (muffler - $110)
  • Fuel tank filler and breather - [[4]]
  • Fuel tank fuel line barb with shutoff
  • Battery
  • Starter solenoid
  • Starter switch, shutoff switch - key with spring return?
  • Battery cables
  • Throttle cable
  • Choke cable

Engine Coupling to Pump

  • Coupler half, 5/8" - $10
  • Coupler half, 1" - $10
  • Solid spider - $14

Pump

  • Hydraulic pump - 0.677 cu in, 5/8" keyed shaft, 10.1 gmp @3600 RPM, 3000 PSI max, 4000 RPM max, 8 lb - $180
  • Pump outlet - SAE 10 to 1/2 NPTM straight - $1.89[5]
  • Pump inlet - Sae 12 to 3/4" hose barb -
  • 1/2" quick coupler - same as above - $16
  • Suction Hose
  • 3/4 NPTM to hose barb elbow connector - $4.69
  • 3/4 NPTM to hose barb straight connector for second PowerCube - $3.95
  • Pump inlet - SAE 12 to 3/4 hose barb connector - $4.69

Engine Mounting and Pump Mount Plate

  • Pump mount plate - 1/4"x6"x8"
  • Engine mounting -

Pressure Bypass Safety Valve

  • [1] 1/2" NPT Bypass valve - [6]
  • [3] 1/2" Quick couplers - 1 complete for tee near pump, one going from return filter to tee, and male tip for return line. This gives one extra female quick coupler left over. This set of 3 QCs does not cover hoses going from and to the PowerCube.
  • [4] 1/2" NPTF hex nip for one and other side of tee, on both tees - [7]
  • [2] 1/2" NPTF tee - from outlet of pump to pressure bypass, and from bypass valve into return line filter - [8]

Reservoir

  • Suction strainer, 1.5" - [9] - $20
    • Use this for single Power Cube
    • 1-1/2" NPT coupling for threading suction strainer into frame - found at big box hardware
  • Suction strainer, 2" - [10] - $23
    • Use for dual Power Cubes
    • Use 2" coupler from bix box store to thread into Power Cube frame
  • Hydraulic pump - 10 gpm at 3600 rpm, CW rotation - from Power Cube I - [11]
  • Hydraulic pump - 14 gpm at 3600 rpm, CW rotation - from Power Cube I - [12]
  • [1] 20 GPM return Line Filter - [13]
  • [1] 3/4" quick coupler for return line to filter
  • [1] 3/4" NPT Swivel for return line filter going into frame - [14]
  • [2] 3/4" NPT hex nip on both sides of filter - [15]
  • [1] 1"-3/4" NPT reducer bushing for frame receptacle for return filter - [16]
  • [2] 1/2" quick couplers for main power lines

Hoses

  • [1] 2 foot hose from pump outlet to return line filter - [17]
  • 3/4" suction hose

Shopping List Summary

Balanceofpc2.jpg

PowerCube II with 18 and 27 hp Engine - BOM

Note: go to 27 hp consumer engines in the next iteration.

  • Frame metal - $180
  • Motor mounting structure - $20
  • Pump mount plate - $5
  • [1] 18 hp Engine - $479
  • (or 27 hp Engine - $890)
  • (muffler - $110
  • [1] Pump - $180
  • [1] Motor to pump coupler - $34
    • Flexible Spider Shaft Coupling Hub 5/8" Bore, 2-7/64" OD, with Keyway - $10
    • Flexible Spider Shaft Coupling Hub 1" Bore, 2-7/64" OD, with Keyway - $10
    • Hytrel Spider for 2-7/64" Outside Diameter Flexible Spider Shaft Coupling Hub - $14

Suction Line:

  • Suction strainer - $23
  • [1] 3/4" barb elbow - $5
  • [1] 3/4" barb - $4
  • [1] 3/4" barb inlet to pump - $5
  • [2] 3/4" close nip - $4
  • [1] 2" coupling half - $3
  • [1] 1-1/4" close nip - $2
  • [1] 1-1/4" elbow - $4
  • [1] 1-1/4" to 1" reducer bushing - $2.50
  • [1] 1" tee - $2
  • [2] 1"-3/4" bushing - $4

Return line

  • [1] 3/4" swivel - $3.50
  • [1] 3/4" coupler - $2
  • [1] 3/4" tee -
  • [1] Filter - $17
  • [1] Quick coupler, 1/4" - $15
  • [2] Quick coupler, 1/2" - $32
  • [1] Quick Coupler, 3/4" - $30
  • [1] Pressure relief valve - $38
  • [1] Battery - $25
  • Starter Solenoid - $8


  • Check valve - $15, [18]
    • Battery cables - $14
  • Throttle cable - $7
  • Starter switch - $12
  • Starter solenoid - $9
  • Wiring -
  • [1] Fuel line barb and fuel hose - $6
  • Oil - $6
  • Hydraulic oil, 5 GAL - $40

$1236 to here, 18 hp, without missing items.

or ~$1750 to here, 27 hp

Weight

  • Engine - 81 lb or 106 lb
  • Frame - 286 lb
  • Battery - 15 lb
  • Motor mounting - 20 lb
  • Pump - 8 lb
  • Balance of system - 10 lb

TOTAL WEIGHT - 420 or 445 lb without fluids