2018 Winnebago Horizon 40a Specs
Know Before You Drive
Key specs for safe motorhome driving
⚠️ Height Alert: Over 11' tall. Watch for low bridges and overhangs!
Compact
<14k
Mid-Size
14-20k
Large
20-26k
XL
26k+
DRIVING QUICK FACTS
GVWR
38,700 lbs
License
May require CDL
Type
Class A
License Requirement
May require CDL
Standard
Check State
CDL May Apply
Essential Upgrades for the 2018 Winnebago Horizon 40a
Towing & Dimensions
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| GVWR | 38700 lbs | - | - | - |
| Length | 493 in | Furrion Backup Camera | Shop Cameras | - |
| Width | 101.5 in | Clip On Mirrors | Shop Mirrors | - |
| Tongue Weight | 1500 / 680.4 lbs | - | - | - |
| Interior Height | 84 in | - | - | - |
| Towing Capacity | 15000 / 6804 lbs | - | - | - |
| Exterior Height | 153 in | Telescoping Ladder | Shop Ladders | - |
Specs
Buy Now
More
GVWR
38700 lbs
Length
493 in
Width
101.5 in
Tongue Weight
1500 / 680.4 lbs
Interior Height
84 in
Towing Capacity
15000 / 6804 lbs
Exterior Height
153 in
Towing & Dimensions Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Electrical & Solar
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Shore Power | 30 Amps | - | - | - |
| Battery Type | 12V Lead-Acid | Renogy 100Ah LiFePO4 | RV Batteries | Top 5 |
| Solar Pre-Wired | Optional | - | - | - |
| Inverter | Optional | - | - | - |
Specs
Buy Now
More
Shore Power
30 Amps
Battery Type
12V Lead-Acid
Solar Pre-Wired
Optional
Inverter
Optional
Electrical & Solar Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Tank Capacities
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Fresh Water Holding Tanks | 1 | - | - | - |
| Number Of Gray Water Holding Tanks | 1 | - | - | - |
| Number Of Black Water Holding Tanks | 1 | - | - | - |
| Fresh Water Tank Capacity | 85 gal | - | Fresh Water Tanks | - |
| Gray Water Tank Capacity | 89 gal | - | - | - |
| Black Water Tank Capacity | 57 gal | - | Back Water Tanks | - |
| Number Of Propane Tanks | 1 | - | - | - |
| Propane Tank Capacity | 23.7 lbs | - | Propane Tank Capacity | - |
Specs
Buy Now
More
Number Of Fresh Water Holding Tanks
1
Number Of Gray Water Holding Tanks
1
Number Of Black Water Holding Tanks
1
Fresh Water Tank Capacity
85 gal
Gray Water Tank Capacity
89 gal
Black Water Tank Capacity
57 gal
Number Of Propane Tanks
1
Propane Tank Capacity
23.7 lbs
Tank Capacities Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Tires & Wheels
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Front Tire | Michelin® 295/80R 22.5 Full Spec | - | - | - |
| Front Wheel Diameter | 22.5 | - | - | - |
| Rear Wheel Diameter | 22.5 | - | - | - |
| Tire Brand | Michelin® | - | - | - |
| Rear Brake Type | Hydraulic Drum | - | - | - |
| Front Brake Type | Hydraulic Disc | - | - | - |
| Wheels Composition | Aluminum | - | - | - |
| Front Tire Width | 295 | - | - | - |
| Rear Tire Width | 295 | - | - | - |
| Rear Wheel Width | 8.25 in | - | - | - |
| Front Wheel Width | 8.25 in | - | - | - |
| Wheelbase | 276 / 7010.4 in | - | - | - |
| Front Tire Aspect Ratio | 80 | - | - | - |
| Rear Tire | Michelin® 295/80R 22.5 Full Spec | - | - | - |
| Rear Tire Aspect Ratio | 80 | - | - | - |
Specs
Buy Now
More
Front Tire
Michelin® 295/80R 22.5 Full Spec
Front Wheel Diameter
22.5
Rear Wheel Diameter
22.5
Tire Brand
Michelin®
Rear Brake Type
Hydraulic Drum
Front Brake Type
Hydraulic Disc
Wheels Composition
Aluminum
Front Tire Width
295
Rear Tire Width
295
Rear Wheel Width
8.25 in
Front Wheel Width
8.25 in
Wheelbase
276 / 7010.4 in
Front Tire Aspect Ratio
80
Rear Tire
Michelin® 295/80R 22.5 Full Spec
Rear Tire Aspect Ratio
80
Heating & Cooling
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Air Conditioning Type | Automatic | Dometic 13.5K Air Conditioner | Shop All RV AC | - |
| Heater Type | Automatic | - | - | - |
| Water Heater Pump Power Mode | Electrical / Propane | - | - | - |
Specs
Buy Now
More
Air Conditioning Type
Automatic
Heater Type
Automatic
Water Heater Pump Power Mode
Electrical / Propane
Heating & Cooling Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Living Room / Bedroom(s)
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Queen Size Beds | 1 | Queen RV Mattress | Shop Mattresses | - |
| Master Bedroom Shades / Curtains | Yes | - | - | - |
| Master Bedroom Location | Rear | - | - | - |
| Number Of Sofas | 1 | Tri-Fold Sofa | - | - |
| Number Of Convertible / Sofa Beds | 1 | - | - | - |
| Master Bedroom Mirror Doors | No | - | - | - |
| Reclining Sofa | No | RV Loveseat Recliner Sofa | Shop Sofa | - |
| Master Bedroom Flooring Type | Carpet / Tile | - | - | - |
| Number Of Recliner / Rockers | 1 | - | - | - |
| Number Of Bathrooms | 1 | - | - | - |
| Sofa Material | Vinyl | - | - | - |
| Master Bedroom Door Style | Full Sliding Door | - | - | - |
| Full Size Master Bedroom Closet | Yes | - | - | - |
| Living Area Location | Front | - | - | - |
Specs
Buy Now
More
Number Of Queen Size Beds
1
Master Bedroom Shades / Curtains
Yes
Master Bedroom Location
Rear
Number Of Sofas
1
Number Of Convertible / Sofa Beds
1
Master Bedroom Mirror Doors
No
Reclining Sofa
No
Master Bedroom Flooring Type
Carpet / Tile
Number Of Recliner / Rockers
1
Number Of Bathrooms
1
Sofa Material
Vinyl
Master Bedroom Door Style
Full Sliding Door
Full Size Master Bedroom Closet
Yes
Living Area Location
Front
Living Room / Bedroom(s) Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Kitchen / Dining
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Oven Burners | 2 | - | - | - |
| Kitchen / Living Area Flooring Type | Carpet / Tile | - | - | - |
| Refrigerator Size | Full-Size | - | - | - |
| Kitchen Table Configuration | Chairs | - | - | - |
| Refrigerator Power Mode | Electric / Propane | - | - | - |
| Kitchen Location | Center | - | - | - |
Specs
Buy Now
More
Number Of Oven Burners
2
Kitchen / Living Area Flooring Type
Carpet / Tile
Refrigerator Size
Full-Size
Kitchen Table Configuration
Chairs
Refrigerator Power Mode
Electric / Propane
Kitchen Location
Center
Bathroom
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Bathroom Flooring Type | Vinyl | - | - | - |
| Toilet Type | Porcelain | RV Toilet with Sprayer Attachment | Toilets | Top 5 |
| Bathroom Location | Center | - | - | - |
Specs
Buy Now
More
Bathroom Flooring Type
Vinyl
Toilet Type
Porcelain
Bathroom Location
Center
Exterior
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Awning Length | 20 ft/m | Awning Fabric Replacement | All Awnings | - |
| Number of Awnings | 1 | Motorized RV Awning Set | Shop Awnings | - |
| Leveling Jack Type | Front Power / Rear Power | - | - | - |
| Number Of Axles | 1 | - | - | - |
| Sidewall Construction | Fiberglass | - | - | - |
| Number Of Emergency Exits | 1 | - | - | - |
| Number of Doors | 1 | - | - | - |
| Door Type | Plastic / Glass | - | - | - |
| Body Material | Aluminum | - | - | - |
Specs
Buy Now
More
Awning Length
20 ft/m
Number of Awnings
1
Leveling Jack Type
Front Power / Rear Power
Number Of Axles
1
Sidewall Construction
Fiberglass
Number Of Emergency Exits
1
Number of Doors
1
Door Type
Plastic / Glass
Body Material
Aluminum
Exterior Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Options
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Battery Power Converter | Yes | - | - | - |
| Turbocharged | Yes | - | - | - |
| Refrigerator | Standard | - | - | - |
| Supercharged | No | - | - | - |
| Heated | No | - | - | - |
| Power Retractable Slideout | Yes | - | - | - |
| Screened Room | No | - | - | - |
| Cable Prewiring | Yes | - | - | - |
| Wallpaper | Yes | - | - | - |
| Overhead Fan | Yes | Overhead Fan | - | - |
| Air Conditioning Prewiring | Yes | - | - | - |
| Swivel Seats | Yes | - | - | - |
| Sliding Glass Door | No | - | - | - |
| Heat Prewiring | Yes | - | - | - |
| Water Heater Tank Bypass | Yes | - | - | - |
| Power Retractable Awning | Yes | - | - | - |
| Satellite Prewiring | Yes | - | - | - |
| Bunkhouse | No | - | - | - |
| TV Antenna Prewiring | Yes | - | - | - |
| Overdrive | Yes | - | - | - |
| Surround Sound | Yes | - | - | - |
| Interior Wood Finish | Yes | - | - | - |
| Reclining Seats | Yes | - | - | - |
| Seat Armrests | Yes | - | - | - |
| Washer / Dryer Prewiring | Yes | - | - | - |
| Power Adjustable Seat | Yes | - | - | - |
Specs
Buy Now
More
Battery Power Converter
Yes
Turbocharged
Yes
Refrigerator
Standard
Supercharged
No
Heated
No
Power Retractable Slideout
Yes
Screened Room
No
Cable Prewiring
Yes
Wallpaper
Yes
Overhead Fan
Yes
Air Conditioning Prewiring
Yes
Swivel Seats
Yes
Sliding Glass Door
No
Heat Prewiring
Yes
Water Heater Tank Bypass
Yes
Power Retractable Awning
Yes
Satellite Prewiring
Yes
Bunkhouse
No
TV Antenna Prewiring
Yes
Overdrive
Yes
Surround Sound
Yes
Interior Wood Finish
Yes
Reclining Seats
Yes
Seat Armrests
Yes
Washer / Dryer Prewiring
Yes
Power Adjustable Seat
Yes
Cabin Specs
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Seats | 2 | - | - | - |
| Seat Type | Bucket | - | - | - |
| Number Of Rows | 1 | - | - | - |
| Seat Specifications | Standard | - | - | - |
| Seat Material | Leather | - | - | - |
Specs
Buy Now
More
Number Of Seats
2
Seat Type
Bucket
Number Of Rows
1
Seat Specifications
Standard
Seat Material
Leather
Cargo
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Storage Capacity | 183 / 1176.4 / 5181.8 cuft/gal/l | - | - | - |
Specs
Buy Now
More
Storage Capacity
183 / 1176.4 / 5181.8 cuft/gal/l
Chasis
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Chassis Model | XC-Series | - | - | - |
| Chassis Brand | Freightliner | - | - | - |
Specs
Buy Now
More
Chassis Model
XC-Series
Chassis Brand
Freightliner
Drivetrain
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Driveline Type | 4X2 | - | - | - |
| Transmission Brand | Allison | - | - | - |
| Number Of Speeds | 6 | - | - | - |
| Transmission Type | Automatic | - | - | - |
Specs
Buy Now
More
Driveline Type
4X2
Transmission Brand
Allison
Number Of Speeds
6
Transmission Type
Automatic
Engine
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Horsepower RPM | 2100 | - | - | - |
| Carburetion | Standard | - | - | - |
| Cylinders | 6 | - | - | - |
| Engine Type | I6 Diesel Pusher | - | - | - |
| Torque | 1694.8 Nm | - | - | - |
| Carburetion Type | Fuel Injected | - | - | - |
| Torque RPM | 1400 | - | - | - |
| Horsepower | 400 bhp | - | - | - |
| Engine Brand Name | Cummins | - | - | - |
Specs
Buy Now
More
Horsepower RPM
2100
Carburetion
Standard
Cylinders
6
Engine Type
I6 Diesel Pusher
Torque
1694.8 Nm
Carburetion Type
Fuel Injected
Torque RPM
1400
Horsepower
400 bhp
Engine Brand Name
Cummins
Entertainment
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Discs | 1 | - | - | - |
| Speaker Location | Interior | RecPro Exterior Speakers | - | - |
| Number Of Televisions | 2 | Insignia LED HD Alexa TV | Shop RV TV's | - |
Specs
Buy Now
More
Number Of Discs
1
Speaker Location
Interior
Number Of Televisions
2
Entertainment Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Fuel & MPG
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Fuel Type | Diesel | Fuel Treatment | - | - |
| Fuel Capacity | 100 / 378.5 gal/l | 5Gal Gas Can | - | - |
Specs
Buy Now
More
Fuel Type
Diesel
Fuel Capacity
100 / 378.5 gal/l
Fuel & MPG Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Instrumentation
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Radios | 1 | - | - | - |
Specs
Buy Now
More
Number Of Radios
1
Interior
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Material | Vinyl | - | - | - |
Specs
Buy Now
More
Material
Vinyl
Quick Overview
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Parent Company | Winnebago Industries | - | - | - |
| Year | 2018 | - | - | - |
| Make | Winnebago | - | - | - |
| Display Name | Horizon 40A | - | - | - |
| Class | Class A | - | - | - |
| Max Sleeping Count | 4 | - | - | - |
| Number of Slideouts | 3 | - | - | - |
| Introduction Year | 2018 | - | - | - |
Specs
Buy Now
More
Parent Company
Winnebago Industries
Year
2018
Make
Winnebago
Display Name
Horizon 40A
Class
Class A
Max Sleeping Count
4
Number of Slideouts
3
Introduction Year
2018
How We Scored This RV
Our MintRV Rating analyzes over 50 specifications across 5 key dimensions. Each dimension starts at 5.0 points and adjusts based on how this RV's specs compare to others in its class. Below is exactly how we calculated each score for this class a.
Drivability & Handling
5.8/10
Base Score
5.0
Spec-based adjustments
Based on Class A class averages
+0.8
Final Drivability & Handling
5.8
Living Space & Layout
7.5/10
Base Score
5.0
Spec-based adjustments
Based on Class A class averages
+2.5
Final Living Space & Layout
7.5
Comfort & Features
6.3/10
Base Score
5.0
Spec-based adjustments
Based on Class A class averages
+1.3
Final Comfort & Features
6.3
Storage Space
5.0/10
Base Score
5.0
Spec-based adjustments
Based on Class A class averages
+0.0
Final Storage Space
5.0
Off-Grid & Campsites
7.0/10
Base Score
5.0
Spec-based adjustments
Based on Class A class averages
+2.0
Final Off-Grid & Campsites
7.0
About Our Rating Methodology
MintRV Ratings are calculated using verified manufacturer specifications. We compare each RV against others in its class type and weight category. Scores are updated when new specs become available. Learn more about our methodology →
Owner Reviews
No reviews yet. Be the first to share your experience!
Frequently Asked Questions
To safely tow the 2018 Winnebago Horizon 40a, ensure your vehicle's rated tow capacity exceeds its GVWR of 38700 lbs. With a dry weight of lbs and hitch weight of lbs, most midsize trucks and SUVs can tow it comfortably with a 10-20% safety margin.
This Class A has a dry weight of lbs and a GVWR of 38700 lbs, giving a payload capacity of lbs for gear, water, and supplies.
The approximate dimensions are length 493 in., width 101 in., and height 153 in. Always confirm clearances for garages, storage, and campsites.
The Horizon 40a includes a fresh water capacity of gallons, black water tank(s), and lbs of propane capacity-ideal for off-grid weekends.
Many Horizon 40a owners add a weight-distribution hitch, brake controller, leveling system, and portable generator to improve towing comfort. Solar kits, backup cameras, and upgraded tires are also popular upgrades.
With a GVWR of 38700 lbs and dry weight of lbs, the Horizon 40a is light enough for smaller tow vehicles yet rugged enough for light off-road travel. Add solar, extra propane, and a generator for extended off-grid stays.
This floorplan sleeps up to 4 people comfortably - perfect for couples or small families seeking a lightweight, easy-tow Class A.
The Horizon 40a features body construction with sidewalls and 1 axle(s). Its GVWR of 38700 lbs ensures strength without excessive towing weight.
?? Tip: Always check your vehicle's specific towing capacity in the owner's manual. Consider payload and tongue weight too!
As an Amazon Associate, we may earn from qualifying purchases. Your price stays the same.
"Our mission at Mint RV is to help people make well-informed RV buying decisions, so they can escape the stress of everyday life, reconnect with family, and create unforgettable memories in the great outdoors"