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Red Dot Rooftop A/C R-9777-1-24P

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Red Dot On-Road/Off-Road Rooftop Air Conditioner Only 24VDC - R-9777-1-24P

Product Condition: NEW
Red Dot Rooftop A/C R-9777-1-24P

**Professional installation is required.
**Backwall, floor, rooftop and headliner air conditioners require connection to an external A/C compressor (Compressor and connection components not included).

Estimated ship date: for orders by 3pm PT/6pm ET today Available for back order.

SSL Cerficate

The Red Dot R-9777-1-24P rooftop unit features high-performance cooling capacity into a tough, sleek engineered-resin housing. At just 7.9 inches high and 65 lbs., it has the low profile and low weight necessary for installation and durability on many equipment cabs. Optional equipment includes a remote-mount filter and in-line booster blower for a pressurized, dust-free cab. AC 12V version available - see model R-9777-1P.



  • Red Dot Part No.: R-9777-1-24P
  • Air Source Part No.: 10-9780
  • Freightliner Part No.: RDH R9777 1 24
  • Mack Part No.: 4379-R9777124
  • Volts: 24VDC
  • Cooling BTU: 25,000 BTU/Hr with 36°F (7.3 kW with 2.2°C) refrigerant temperature and 80°F (26.7°C) wet bulb entering air
  • Air Flow: 355 CFM (580 m3/h)
  • Weight: 65 lbs.
  • Motor: Evaporator – three speed (24 VDC available) • Condenser – low profile (24 VDC available)
  • Current Draw: 19.1 amps @ 27.2 VDC (includes 2 amps for A/C clutch)
  • Dimensions: See image #2



  • Construction
  • Mining
  • Agriculture


NOTE: Compressor, Mounting Kit, Installation Kit and other optional items below not included.

                                                                                R-9777 SYSTEM ORDERING GUIDE
    R-134a NOTES
UNITS R-9777-0P
12 VDC
24 VDC
12 VDC
24 VDC
 Heater A/C 12VDC
 Heater A/C 24VDC
 A/C Only 12VDC
 A/C Only 24VDC

Contained in R-9777



Refrigerant hose, fittings and hardware

OPTIONS Remote Mount Filters **
Remote Mount Filters **
Replacement Filters
Replacement Gasket Kit
In-Line Booster Pressurizer *

Replacement Receiver Drier

74R2546, 74R2590

 (Remote Mount)

(12 VDC) For use with Remote Mount Filters
(24 VDC)

COMPRESSOR Requires compressor and mounting kit   See 75 Series Compressor section


* Booster Pressurizer Can Only Be Used With Remote Mount Filters ** Must be used with In-line Booster Pressurizer

Additional Information

Product Condition NEW
upc No

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