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2021 Newmar Supreme Aire 4573
Included Options:
Artisan Decor and Graphics
Stainless Steel Trim Kit for Exterior Compartment Doors
Kitchen Window
LED Strip Lighting Installed Under Off Door Side Slideouts
Four SUNFREE Solar Panels on Roof
RV Sanicon Turbo System
Bermuda Glazed Maple Hardwood Cabinets with Raised Panel Doors-High Gloss
Sleep Number® Air Mattress
Euro Dinette 75”, 100” Side Hide-A-Bed and Two Folding Chairs
Dishwasher in Drawer with Stainless Steel Front Located Below Cooktop
Sirius® Satellite Radio Capability with Antenna (Does Not Include Monthly Subscription)
Exterior Entertainment Center in Sidewall with Samsung® 43” 4K LED TV with Soundbar
Winegard Motion Satellite
Rear Camera (2) Prep for Use with Stacker Trailer
WiFi SKYPRO LTE Cell Router
Universal Toll Module
2021 SUPREME AIRE 45' Chassis Specs:
TIRES & WHEELS
Front Tires Michelin X Line Energy Z
315/80R22.5 20 ply radial front tires
Rear Tires Michelin XZA2 Energy 295/80R22.5
16 ply radial rear tires
Front Wheels Alcoa Ultra One 89U64X 22.5" X 9.0"
10 hub aluminum front wheels
Rear Wheels
Alcoa LVL One 88267X
22.5” X 8.25” aluminum outside,
Accuride 51637 steel inside
HITCH
Capacity 30,000 pounds; 3,000 pounds
vertical load (tongue weight)
WARRANTY
Basic Chassis 5 years/100,000 miles
Battery 1 year/100,000 miles
Cab Structure 3 years/300,000 miles
Cab Corrosion
& Perforation 5 years/Unlimited miles
Emission Regulations 5 years/100,000 miles
Engine 5 years/100,000 miles
Frame Rails &
Crossmembers 6 years/750,000 miles
Frame Corrosion
& Bright Work 6 months/Unlimited miles
Front & Rear Axles 2 years/Unlimited miles
(Detroit Diesel axles)
Paint (Cab) 1 year/100,000 miles
Paint (Chassis) 6 months/Unlimited miles
Transfer Case 3 years/300,000 miles
Transmission 5 years/Unlimited miles
ENGINE
Make Detroit Diesel DD13 12.8L
Horsepower 505 HP
Torque 1850 LB/FT @875 RPM
Equipment Jacobs compression brake
COOLING
Radiator 1400 sq. inch aluminum radiator
ELECTRICAL
Alternator DR 12V 300 amp
brushless pad mount alternator
Battery Three (3) DTNA genuine
threaded stud batteries
TRANSMISSION
Allison 4000 TRV 6-speed automatic transmission
AXLES/SUSPENSION
Front 18,000# GAWR Detroit DA-F drop single
front axle with taper leaf front suspension
Rear
40,000# GAWR Detroit R-Series weight
optimized tandem rear axle w/ 3.91 gear
ratio; Air ride extra duty rear suspension
BRAKES
Front Bendix air disc front brakes
Rear Bendix air disc rear brakes
FUEL
Type Diesel
Fuel tank 100 gallons
DEF tank 6 gallons
SPECIFICATIONS
CHASSIS
Type Freightliner M2 112 Aluminum
Conventional Air Mounted Cab
Wheelbase 335" (309" plus tandem axle)
Frame Type Full double steel frame construction
Frame Size 11-1/8" x 3-9/16" x 7/16"
Included Options:
Artisan Decor and Graphics
Stainless Steel Trim Kit for Exterior Compartment Doors
Kitchen Window
LED Strip Lighting Installed Under Off Door Side Slideouts
Four SUNFREE Solar Panels on Roof
RV Sanicon Turbo System
Bermuda Glazed Maple Hardwood Cabinets with Raised Panel Doors-High Gloss
Sleep Number® Air Mattress
Euro Dinette 75”, 100” Side Hide-A-Bed and Two Folding Chairs
Dishwasher in Drawer with Stainless Steel Front Located Below Cooktop
Sirius® Satellite Radio Capability with Antenna (Does Not Include Monthly Subscription)
Exterior Entertainment Center in Sidewall with Samsung® 43” 4K LED TV with Soundbar
Winegard Motion Satellite
Rear Camera (2) Prep for Use with Stacker Trailer
WiFi SKYPRO LTE Cell Router
Universal Toll Module
2021 SUPREME AIRE 45' Chassis Specs:
TIRES & WHEELS
Front Tires Michelin X Line Energy Z
315/80R22.5 20 ply radial front tires
Rear Tires Michelin XZA2 Energy 295/80R22.5
16 ply radial rear tires
Front Wheels Alcoa Ultra One 89U64X 22.5" X 9.0"
10 hub aluminum front wheels
Rear Wheels
Alcoa LVL One 88267X
22.5” X 8.25” aluminum outside,
Accuride 51637 steel inside
HITCH
Capacity 30,000 pounds; 3,000 pounds
vertical load (tongue weight)
WARRANTY
Basic Chassis 5 years/100,000 miles
Battery 1 year/100,000 miles
Cab Structure 3 years/300,000 miles
Cab Corrosion
& Perforation 5 years/Unlimited miles
Emission Regulations 5 years/100,000 miles
Engine 5 years/100,000 miles
Frame Rails &
Crossmembers 6 years/750,000 miles
Frame Corrosion
& Bright Work 6 months/Unlimited miles
Front & Rear Axles 2 years/Unlimited miles
(Detroit Diesel axles)
Paint (Cab) 1 year/100,000 miles
Paint (Chassis) 6 months/Unlimited miles
Transfer Case 3 years/300,000 miles
Transmission 5 years/Unlimited miles
ENGINE
Make Detroit Diesel DD13 12.8L
Horsepower 505 HP
Torque 1850 LB/FT @875 RPM
Equipment Jacobs compression brake
COOLING
Radiator 1400 sq. inch aluminum radiator
ELECTRICAL
Alternator DR 12V 300 amp
brushless pad mount alternator
Battery Three (3) DTNA genuine
threaded stud batteries
TRANSMISSION
Allison 4000 TRV 6-speed automatic transmission
AXLES/SUSPENSION
Front 18,000# GAWR Detroit DA-F drop single
front axle with taper leaf front suspension
Rear
40,000# GAWR Detroit R-Series weight
optimized tandem rear axle w/ 3.91 gear
ratio; Air ride extra duty rear suspension
BRAKES
Front Bendix air disc front brakes
Rear Bendix air disc rear brakes
FUEL
Type Diesel
Fuel tank 100 gallons
DEF tank 6 gallons
SPECIFICATIONS
CHASSIS
Type Freightliner M2 112 Aluminum
Conventional Air Mounted Cab
Wheelbase 335" (309" plus tandem axle)
Frame Type Full double steel frame construction
Frame Size 11-1/8" x 3-9/16" x 7/16"
- 2021
- Newmar
- Supreme Aire
- 4573
- Super C
- 44' 11"
- 101.5"
- 13' 2"
- 95.5"
- 83"
- 309 + TA
- 60 gal.
- 40 gal.
- 150 gal.
- 100 gal. | Def Cap: 6
- Net: 15050 lb. APP.
- 50000 btu
- Number of House Batteries: 8 | Total House Battery Amp Hours (Standard): 800 | Axle Ratio: 3.91 | Wheel Cut Front: 52
- Detroit Di DD13
- 505 HP
- 1850
- 12.8 Liters
- Allison 4000 T | Speeds: 6
- Michelin
- Rear Hitch Rating Flat: 30000 lb. | Rear Hitch Rating Trailer: 30000 lb. | Rear Hitch Rating Vertical: 3000 lb.
- 18000 lb. | Tag: 20000 lb.
- 20000 lb.
- 58000 lb.
- 72000 lb.
- 42950 lb. APP.
- 1850
- LP3299
- 1.5
- Stacked
- 83"
- 30,000lb
- 42,970
- 58,000
- 150
- 60
- 40
- 50,000
- Chandler
- New
- 42970
- 2021
- Newmar
- Supreme Aire
- Supreme Aire 4573
- LP3299
- Artisan Exterior
- DD13
- 2,200
- 3 FullWall
- 2
- 3
- 12.5k Onan
- 44' 11"
- 505
- Freightliner M2-112
- Allison
- Diesel
- 30,000lb
- 42,970
- 58,000
- Available
- 101.5"
- 13' 2"
- 83"
- 150
- 60
- 40
- 50,000
- 1850
- LP3299
- 1.5
- Stacked