2018 Thor Motor Coach Quantum Pd31 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
14,500 lbs
License
Standard driver's license
Type
Class C
License Requirement
Standard driver's license
Standard
Check State
CDL May Apply
Essential Upgrades for the 2018 Thor Motor Coach Quantum Pd31
Towing & Dimensions
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| GVWR | 14500 lbs | - | - | - |
| Length | 375 in | Furrion Backup Camera | Shop Cameras | - |
| Width | 99 in | Clip On Mirrors | Shop Mirrors | - |
| Towing Capacity | 8000 / 3628.8 lbs | - | - | - |
| Exterior Height | 133 in | Telescoping Ladder | Shop Ladders | - |
| Interior Height | 84 in | - | - | - |
Specs
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GVWR
14500 lbs
Length
375 in
Width
99 in
Towing Capacity
8000 / 3628.8 lbs
Exterior Height
133 in
Interior Height
84 in
Towing & Dimensions Best Sellers
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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 | - | - | - |
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Shore Power
30 Amps
Battery Type
12V Lead-Acid
Solar Pre-Wired
Optional
Inverter
Optional
Electrical & Solar Best Sellers
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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 | 40 gal | 40 Gal Tank | Fresh Water Tanks | - |
| Gray Water Tank Capacity | 28 gal | - | - | - |
| Black Water Tank Capacity | 28 gal | - | Back Water Tanks | - |
| Number Of Propane Tanks | 1 | - | - | - |
| Propane Tank Capacity | 40.9 lbs | - | Propane Tank Capacity | - |
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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
40 gal
Gray Water Tank Capacity
28 gal
Black Water Tank Capacity
28 gal
Number Of Propane Tanks
1
Propane Tank Capacity
40.9 lbs
Tank Capacities Best Sellers
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Tires & Wheels
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Front Tire Speed Rating | E | - | - | - |
| Rear Wheel Diameter | 16 | - | - | - |
| Front Brake Type | Hydraulic Disc | - | - | - |
| Rear Wheel Width | 6 in | - | - | - |
| Rear Tire Aspect Ratio | 75 | - | - | - |
| Front Wheel Diameter | 16 | - | - | - |
| Front Wheel Width | 6 in | - | - | - |
| Wheels Composition | Steel | - | - | - |
| Front Tire Aspect Ratio | 75 | - | - | - |
| Rear Tire Width | 225 | - | - | - |
| Rear Tire | LT225/75R 16E Full Spec | - | - | - |
| Front Tire Width | 225 | - | - | - |
| Front Tire | LT225/75R 16E Full Spec | - | - | - |
| Wheelbase | 212 / 5029.2 in | - | - | - |
| Rear Tire Speed Rating | E | - | - | - |
| Rear Brake Type | Hydraulic Disc | - | - | - |
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Front Tire Speed Rating
E
Rear Wheel Diameter
16
Front Brake Type
Hydraulic Disc
Rear Wheel Width
6 in
Rear Tire Aspect Ratio
75
Front Wheel Diameter
16
Front Wheel Width
6 in
Wheels Composition
Steel
Front Tire Aspect Ratio
75
Rear Tire Width
225
Rear Tire
LT225/75R 16E Full Spec
Front Tire Width
225
Front Tire
LT225/75R 16E Full Spec
Wheelbase
212 / 5029.2 in
Rear Tire Speed Rating
E
Rear Brake Type
Hydraulic Disc
Heating & Cooling
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Air Conditioning Type | Automatic | Dometic 13.5K Air Conditioner | Shop All RV AC | - |
| Water Heater Tank Capacity | 6 g | RV Tank Water Heater | RV Water Heaters | - |
| Heater Type | Automatic | - | - | - |
| Water Heater Pump Power Mode | Electrical / Propane | - | - | - |
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Air Conditioning Type
Automatic
Water Heater Tank Capacity
6 g
Heater Type
Automatic
Water Heater Pump Power Mode
Electrical / Propane
Heating & Cooling Best Sellers
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Living Room / Bedroom(s)
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Bathrooms | 1 | - | - | - |
| Living Area Location | Front | - | - | - |
| Master Bedroom Door Style | Full Sliding Door | - | - | - |
| Full Size Master Bedroom Closet | Yes | - | - | - |
| Number Of Double Beds | 1 | - | - | - |
| Master Bedroom Shades / Curtains | Yes | - | - | - |
| Sofa Material | Vinyl | - | - | - |
| Reclining Sofa | No | RV Loveseat Recliner Sofa | Shop Sofa | - |
| Master Bedroom Location | Rear | - | - | - |
| Number Of Convertible / Sofa Beds | 2 | - | - | - |
| Number Of Sofas | 1 | Tri-Fold Sofa | - | - |
| Master Bedroom Flooring Type | Vinyl | - | - | - |
| Master Bedroom Mirror Doors | Yes | - | - | - |
| Number Of Queen Size Beds | 1 | Queen RV Mattress | Shop Mattresses | - |
Specs
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Number Of Bathrooms
1
Living Area Location
Front
Master Bedroom Door Style
Full Sliding Door
Full Size Master Bedroom Closet
Yes
Number Of Double Beds
1
Master Bedroom Shades / Curtains
Yes
Sofa Material
Vinyl
Reclining Sofa
No
Master Bedroom Location
Rear
Number Of Convertible / Sofa Beds
2
Number Of Sofas
1
Master Bedroom Flooring Type
Vinyl
Master Bedroom Mirror Doors
Yes
Number Of Queen Size Beds
1
Living Room / Bedroom(s) Best Sellers
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Kitchen / Dining
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Kitchen Location | Center | - | - | - |
| Number Of Oven Burners | 2 | - | - | - |
| Kitchen / Living Area Flooring Type | Vinyl | - | - | - |
| Refrigerator Size | Full-Size | - | - | - |
| Kitchen Table Configuration | Bench Seats | - | - | - |
| Refrigerator Power Mode | Electric / Propane | - | - | - |
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Kitchen Location
Center
Number Of Oven Burners
2
Kitchen / Living Area Flooring Type
Vinyl
Refrigerator Size
Full-Size
Kitchen Table Configuration
Bench Seats
Refrigerator Power Mode
Electric / Propane
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 | - | - | - |
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Bathroom Flooring Type
Vinyl
Toilet Type
Porcelain
Bathroom Location
Center
Exterior
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Awning Length | 16 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 | - | - | - |
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Awning Length
16 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
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Options
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Metallic | No | - | - | - |
| Refrigerator | Standard | - | - | - |
| Bunkhouse | No | - | - | - |
| Swivel Seats | Yes | - | - | - |
| Water Heater Tank Bypass | Yes | - | - | - |
| Power Retractable Slideout | Yes | - | - | - |
| Sliding Glass Door | No | - | - | - |
| Interior Wood Finish | Yes | - | - | - |
| TV Antenna Prewiring | Yes | - | - | - |
| Overhead Fan | Yes | Overhead Fan | - | - |
| Satellite Prewiring | Yes | - | - | - |
| Battery Power Converter | Yes | - | - | - |
| Surround Sound | No | - | - | - |
| Washer / Dryer Prewiring | No | - | - | - |
| Power Retractable Awning | Yes | - | - | - |
| Seat Armrests | Yes | - | - | - |
| Heated | No | - | - | - |
| Overdrive | Yes | - | - | - |
| Satellite | No | - | - | - |
| Cable Prewiring | Yes | - | - | - |
| Turbocharged | No | - | - | - |
| Reclining Seats | Yes | - | - | - |
| Air Conditioning Prewiring | Yes | - | - | - |
| Supercharged | No | - | - | - |
| Wallpaper | Yes | - | - | - |
| Phone Prewiring | No | - | - | - |
| Screened Room | No | - | - | - |
| Heat Prewiring | Yes | - | - | - |
Specs
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Metallic
No
Refrigerator
Standard
Bunkhouse
No
Swivel Seats
Yes
Water Heater Tank Bypass
Yes
Power Retractable Slideout
Yes
Sliding Glass Door
No
Interior Wood Finish
Yes
TV Antenna Prewiring
Yes
Overhead Fan
Yes
Satellite Prewiring
Yes
Battery Power Converter
Yes
Surround Sound
No
Washer / Dryer Prewiring
No
Power Retractable Awning
Yes
Seat Armrests
Yes
Heated
No
Overdrive
Yes
Satellite
No
Cable Prewiring
Yes
Turbocharged
No
Reclining Seats
Yes
Air Conditioning Prewiring
Yes
Supercharged
No
Wallpaper
Yes
Phone Prewiring
No
Screened Room
No
Heat Prewiring
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 | Vinyl | - | - | - |
Specs
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Number Of Seats
2
Seat Type
Bucket
Number Of Rows
1
Seat Specifications
Standard
Seat Material
Vinyl
Cargo
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Storage Capacity | 52.9 / 340.1 / 1497.9 cuft/gal/l | - | - | - |
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Storage Capacity
52.9 / 340.1 / 1497.9 cuft/gal/l
Chasis
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Chassis Model | E450 | - | - | - |
| Chassis Brand | Ford | - | - | - |
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Chassis Model
E450
Chassis Brand
Ford
Drivetrain
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Transmission Brand | TorqShift | - | - | - |
| Number Of Speeds | 6 | - | - | - |
| Transmission Type | Automatic | - | - | - |
| Driveline Type | 4X2 | - | - | - |
Specs
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Transmission Brand
TorqShift
Number Of Speeds
6
Transmission Type
Automatic
Driveline Type
4X2
Engine
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Cylinders | 10 | - | - | - |
| Engine Type | V10 | - | - | - |
| Torque | 569.4 Nm | - | - | - |
| Carburetion Type | Fuel Injected | - | - | - |
| Torque RPM | 3250 | - | - | - |
| Engine Brand Name | Triton® | - | - | - |
| Carburetion | Standard | - | - | - |
| Horsepower | 305 bhp | - | - | - |
| Horsepower RPM | 4250 | - | - | - |
Specs
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Cylinders
10
Engine Type
V10
Torque
569.4 Nm
Carburetion Type
Fuel Injected
Torque RPM
3250
Engine Brand Name
Triton®
Carburetion
Standard
Horsepower
305 bhp
Horsepower RPM
4250
Entertainment
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Discs | 1 | - | - | - |
| Speaker Location | Interior / Exterior | RecPro Exterior Speakers | - | - |
| Number Of Televisions | 3 | Insignia LED HD Alexa TV | Shop RV TV's | - |
Specs
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Number Of Discs
1
Speaker Location
Interior / Exterior
Number Of Televisions
3
Entertainment Best Sellers
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Fuel & MPG
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Fuel Type | Gas | Fuel Treatment | - | - |
| Fuel Capacity | 55 / 208.2 gal/l | 5Gal Gas Can | - | - |
Specs
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Fuel Type
Gas
Fuel Capacity
55 / 208.2 gal/l
Fuel & MPG Best Sellers
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Instrumentation
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Radios | 2 | - | - | - |
Specs
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Number Of Radios
2
Quick Overview
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Parent Company | Thor Industries | - | - | - |
| Year | 2018 | - | - | - |
| Make | Thor Motor Coach | - | - | - |
| Display Name | Quantum PD31 | - | - | - |
| Class | Class C | - | - | - |
| Max Sleeping Count | 8 | - | - | - |
| Number of Slideouts | 1 | - | - | - |
| Introduction Year | 2016 | - | - | - |
Specs
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Parent Company
Thor Industries
Year
2018
Make
Thor Motor Coach
Display Name
Quantum PD31
Class
Class C
Max Sleeping Count
8
Number of Slideouts
1
Introduction Year
2016
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 c.
Drivability & Handling
5.8/10
Base Score
5.0
Spec-based adjustments
Based on Class C class averages
+0.8
Final Drivability & Handling
5.8
Living Space & Layout
5.3/10
Base Score
5.0
Spec-based adjustments
Based on Class C class averages
+0.3
Final Living Space & Layout
5.3
Comfort & Features
6.3/10
Base Score
5.0
Spec-based adjustments
Based on Class C class averages
+1.3
Final Comfort & Features
6.3
Storage Space
5.0/10
Base Score
5.0
Spec-based adjustments
Based on Class C class averages
+0.0
Final Storage Space
5.0
Off-Grid & Campsites
5.3/10
Base Score
5.0
Spec-based adjustments
Based on Class C class averages
+0.3
Final Off-Grid & Campsites
5.3
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 →
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Frequently Asked Questions
To safely tow the 2018 Thor Motor Coach Quantum Pd31, ensure your vehicle's rated tow capacity exceeds its GVWR of 14500 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 C has a dry weight of lbs and a GVWR of 14500 lbs, giving a payload capacity of lbs for gear, water, and supplies.
The approximate dimensions are length 375 in., width 99 in., and height 133 in. Always confirm clearances for garages, storage, and campsites.
The Quantum Pd31 includes a fresh water capacity of gallons, black water tank(s), and lbs of propane capacity-ideal for off-grid weekends.
Many Quantum Pd31 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 14500 lbs and dry weight of lbs, the Quantum Pd31 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 8 people comfortably - perfect for couples or small families seeking a lightweight, easy-tow Class C.
The Quantum Pd31 features body construction with sidewalls and 1 axle(s). Its GVWR of 14500 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!
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