Newmar Mountain Aire
(40' and 45') Riding on Spartan's K3 500 Chassis

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Detailed Chassis Specifications

Premium Chassis Features

  • Spartan’s Advanced Protection System
    • Automatic Traction Control
    • Adaptive Cruise Control
    • Spartan Safe Haul Tow Brake System
  • COMFORT DRIVE™ Steering Assist System W/Optional Variable Driver’s Effort Control Feature
  • SMART Steering Wheel with Leather/Wood Grain
  • Passive Steer Tag Axle
  • Electronic Ride Height Control Valves
  • Side Mounted Service Center
  • Self-Leveling System
  • 15,000 lb Towing Capacity Hitch
  • 3 Year/50,000 Mile Warranty
    • No deductible, 24/7 Roadside Assistance
  • Lifetime Warranty on Frame & Cross Members

Download Spec Sheet

Specifications

Chassis Weight Rating +
GVWR Front GAWR Rear GAWR Tag GAWR GCWR
54,000 lb 20,000 lb 20,000 lb 14,000 lb 69,000 lb
Engine +

Cummins ISX15

18 .7 CFM Air Compressor

1,500 Watt Block Heater

Peak Horsepower: 500 hp @ 1,800 rpm

Peak Torque

1,645 lb-ft @1,100 rpm

Transmission +

Allison 4000H Electronic

6-Speed with (2) Overdrives

Push-Button Shift Pad

 

Ratios:

1st 2nd 3rd 4th 5th 6th Rev
3.51 1.91 1.43 1.00 .74 .64 -4.80
Front Axle +

Reyco Granning IFS2000

20,000 lb. Capacity

86.5″ Track Width

Rear Axle +

Dana S23-190

23,000 lb Capacity

72.7″ Track

4.30:1 Ratio

14,000 lb. Tag Axle Capacity

85.3″ Tag Track

Suspension +

Front Reyco Granning IFS2000

Rear: Reyco Granning RD2300NR

Tag: Reyco Granning RTS1400

Shock Absorber +

Bilstein Shocks

Front: 46mm

Rear: 46mm

Tag: 46mm

Brakes +

Air Disc Brakes

Parking

  • Push/Pull Knob

Auxiliary

  • Three-Stage Engine Compression Brake

ABS

  • WABCO 6S/6M
  • ABS System