Newmar King Aire
(45') Riding on Spartan's K3 605 Chassis

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Detailed Chassis Specifications

Premium chassis Features

  • Spartan’s Advanced Protection System
    • Optional Collision Mitigation System with Adaptive Cruise Control
      • Forward detection warning and active braking
    • Electronic Stability Control
    • Automatic Traction Control
    • Spartan Safe Haul™ Tow Brake System
    • Tire Pressure Monitoring System
  • COMFORT DRIVE™ Steering Assist System w/Variable Driver’s Effort Control Feature
  • Memory Setting Controls for Driver 1 and 2 (Seat, Mirrors, Pedals and Steering Column)
  • SMART Steering Wheel with Leather
  • Passisve Steer Tag Axle
  • Spartan Digital Instrument Panel
  • Side Mounted Service Center
  • Electronic Suspension Control System with Self-Leveling
  • Remote Air Compressor for Extended Auto Leveling
  • 20,000 lb Towing Capacity Hitch
  • Cummins Connected Diagnostics™ System
  • 5-Year/75,000 Mile Warranty
  • 20-Year Frame & Cross Member Warranty
  • No deductible, 24/7 Roadside Assistance for first 3 years of ownership


Chassis Weight Rating +
54,000 lb 20,000 lb 20,000 lb 14,000 lb 74,000 lb
Engine +

Cummins X15

18 .7 CFM Air Compressor

1,500 Watt Block Heater

Peak Horsepower: 605 hp @ 1,800 rpm

Peak Torque: 1,950 lb-ft @1,200 rpm

Transmission +

Allison 4000MH 6-Speed

Push Button Shift Pad

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: 60mm

Rear: 46mm

Tag: 46mm

Brakes +

Air Disc Brakes


  • Push/Pull Knob


  • Three-Stage Engine Compression Brake


  • WABCO 6S/6M
  • ABS System with Electronic Stability Control (ESC)