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48RE Transmission Stage 3 1,000HP Rated

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Core Charge: +$2000

Stage 3 48RE - 1000HP Max

XHD Series Quad Disc Converter

03-07 5.9 Commonrail Cummins 


  • XHD Series Quad Disc Converter - two stalls available: Stock (Tow/Daily 1800-2000 RPM) High (Street/Track 2400-2600 RPM)
  • GPZ or equivalent Clutches, New kolene steels
  • Power-packed overdrive with custom pressure plate
  • Power-packed Direct Drum with custom pressure plate
  • Sonnax super servo, Billet band strut, Billet wedge
  • Billet Accumulator
  • Billet 4.2 lever
  • Sonnax or equivalent Billet Input shaft “OVERSIZED”
  • Ridged 2ng gear band
  • H/D direct drum piston
  • Borg Warner Governor pressure solenoid
  • High pressure transducer
  • HD cast aluminum deep pan
  • Billet intermediate shaft
  • Billet output shaft
  • Custom high pressure valve body
  • PTFE coated thrust washers
More Information
Brand Randy's Transmissions
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1 Year 12,000 mile limited warranty will not cover broken cases or shafts of transmission. Abuse, misuse, or burn down due to operator error will void warranty. Any warranty work must be performed at Randy’s Transmissions in Tooele UT. It is the vehicle owner’s responsibility to ship transmission or vehicle to Randy’s location for any and all repairs needing to be performed. Any repairs to transmission not authorized by Randy’s Transmissions will void warranty and will not be covered by Randy’s Transmissions.


Appropriate gear ratios

  • 35" tire min gearing is 3:73 recommended 4:10
  • 37" tire min gearing is 4:10 recommended 4:30
  • Larger than that should be running a 4:56 ratio