Aspen™ Diesel Auxiliary Power Unit

Providing The Comfort and Convenience of Home


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Aspen™ Diesel Auxiliary Power Units (APUs) from Carrier Transicold provide the exceptional combination of cooling, heating, cab power, battery charging, engine heating and more. Designed for high performance, versatility, durability, reliability and ease of use.

  • For rugged service: Uses marine-grade components and enhanced alloys for strength and corrosion resistance. Automotive-grade, IP67-rated electronics protect against sand, dust, and water.
  • Easy, intuitive climate control: The Aspen Interface makes temperature management as effortless as a home thermostat. Illuminated knob to select cab temperature, supported by a backlit digital information display. Four climate control modes: Automatic Comfort-Monitor, Heating, Cooling and Fan-only.
  • Added Versatility: Aspen’s standard feature set includes Battery Monitor mode to maintain battery charge, Winter Watch™ mode for engine pre-heating, and Manual Programming mode, enabling automatic functionality based on user pre-sets.
  • Customizable: Expand capabilities via ancillary inverter, fuel-fired Carrier Cabin Heater, shore power module and more.
  • Easily Serviceable: Lightweight, corrosion-free, injection-molded housing cover secured with sturdy quick-release latches for easy access, even behind fairings. CabinTech PC software and USB connectivity make setup, service and troubleshooting faster and easier for technicians.

Performance Specifications

APU Power Plant
Engine Tier 4 final 2-cylinder diesel engine
Alternator High power 70 Amps 
Generator 6kW rating @ 110/120V, 60Hz AC (5.2kW available power)
Dimensions 24.2" x 26.8" x 30.7" (615 x 681 x 780 mm)
Weight 395 lbs. (179 kg)
Under Bunk Climate Control Unit (CCU) with Climate Control Module (CCM)
Air conditioning 12,000 BTU/hr
Heating 8,000 BTU/hr with standard electric heat
Airflow 343 CFM
Compressor Hermetic compressor
Dimensions 26.1" x 15.7" x 9.4" (663 x 399 x 239 mm)
Weight – CCU with CCM 76 lbs. (35 kg)
Refrigerant R-134A
Condensing Unit
Condenser Microchannel condenser
Fan Motor Maintenance-free fan motor
Dimensions 26.5" x 8" x 16.9" (673 x 203 x 429 mm)
Weight 26 lbs. (12 kg)
Aspen Interface Features
Single control knob with color LED for heat, cool, auto and fan-only
Backlit LCD display screen
Configurable modes:
  • Automatic Comfort Monitor
  • Battery Monitor
  • Winter Watch low-temperature start
Accessories and Options
Shore power adapter kit—lets the APU operate via 110/120-VAC household power)
Inverter—produces 120 VAC for hotel loads while moving
Carrier Cabin Heater—7,000 BTU/hr fuel-fired header
ClearSky® DPF
Stand-alone heat shield kit

Aspen™ Diesel Auxiliary Power Units (APUs) from Carrier Transicold provide the exceptional combination of cooling, heating, cab power, battery charging, engine heating and more. Designed for high performance, versatility, durability, reliability and ease of use.

  • For rugged service: Uses marine-grade components and enhanced alloys for strength and corrosion resistance. Automotive-grade, IP67-rated electronics protect against sand, dust, and water.
  • Easy, intuitive climate control: The Aspen Interface makes temperature management as effortless as a home thermostat. Illuminated knob to select cab temperature, supported by a backlit digital information display. Four climate control modes: Automatic Comfort-Monitor, Heating, Cooling and Fan-only.
  • Added Versatility: Aspen’s standard feature set includes Battery Monitor mode to maintain battery charge, Winter Watch™ mode for engine pre-heating, and Manual Programming mode, enabling automatic functionality based on user pre-sets.
  • Customizable: Expand capabilities via ancillary inverter, fuel-fired Carrier Cabin Heater, shore power module and more.
  • Easily Serviceable: Lightweight, corrosion-free, injection-molded housing cover secured with sturdy quick-release latches for easy access, even behind fairings. CabinTech PC software and USB connectivity make setup, service and troubleshooting faster and easier for technicians.

Performance Specifications

APU Power Plant
Engine Tier 4 final 2-cylinder diesel engine
Alternator High power 70 Amps 
Generator 6kW rating @ 110/120V, 60Hz AC (5.2kW available power)
Dimensions 24.2" x 26.8" x 30.7" (615 x 681 x 780 mm)
Weight 395 lbs. (179 kg)
Under Bunk Climate Control Unit (CCU) with Climate Control Module (CCM)
Air conditioning 12,000 BTU/hr
Heating 8,000 BTU/hr with standard electric heat
Airflow 343 CFM
Compressor Hermetic compressor
Dimensions 26.1" x 15.7" x 9.4" (663 x 399 x 239 mm)
Weight – CCU with CCM 76 lbs. (35 kg)
Refrigerant R-134A
Condensing Unit
Condenser Microchannel condenser
Fan Motor Maintenance-free fan motor
Dimensions 26.5" x 8" x 16.9" (673 x 203 x 429 mm)
Weight 26 lbs. (12 kg)
Aspen Interface Features
Single control knob with color LED for heat, cool, auto and fan-only
Backlit LCD display screen
Configurable modes:
  • Automatic Comfort Monitor
  • Battery Monitor
  • Winter Watch low-temperature start
Accessories and Options
Shore power adapter kit—lets the APU operate via 110/120-VAC household power)
Inverter—produces 120 VAC for hotel loads while moving
Carrier Cabin Heater—7,000 BTU/hr fuel-fired header
ClearSky® DPF
Stand-alone heat shield kit
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