As a heavy-duty pickup truck designed to haul heavy loads, the 2018 RAM 3500 has an impressive towing capacity and payload.

However, before you start hitching trailers to your RAM 3500, it’s essential to understand its towing capacity and payload to ensure safe and efficient use of the vehicle.

In this article, we will provide a detailed guide on the towing and payload capacity of the 2018 RAM 3500, including charts, VIN Decoder, and tables for easy reference.

The 2018 RAM 3500 has a maximum Towing Capacity of 31,210 pounds and a maximum Payload Capacity of 7,350 pounds. This can vary depending on factors such as the vehicle’s Curb Weight, Gross Vehicle Weight Rating (GVWR), Payload, and other factors.

2018 RAM 3500 Towing Capacity & Payload Capacity Chart

Maximum Towing Capacity31,210 lbs
Maximum Payload Capacity7,350 lbs
Maximum GVWR14,000 lbs
Maximum GCWR39,100 lbs
2018 RAM 3500 Towing and Payload Capacity Chart

It is important to note that the towing and payload capacity may vary depending on the specific model, trim, and additional equipment installed.

Read on to determine the appropriate capacity for your specific vehicle and towing needs.

It’s important to keep in mind that the combined weight of the truck and trailer should not exceed the Gross Combined Weight Rating (GCWR) set for the 2018 RAM 3500.

Here I’ve collected all the 2018 RAM 3500 towing and payload capacity information from the official RAM resources including the 2018 RAM 3500 Brochure and ramtrucks.com.

Towing and Payload Capacity Charts – 2018 RAM 3500

Towing Capacity Chart

2018 RAM 3500 Towing Capacity Payload Capacity Chart
2018 RAM 3500 Towing Capacity Chart

Payload Capacity Chart

2018 RAM 3500 Towing Capacity Payload Capacity Chart 2
2018 RAM 3500 Towing Capacity Payload Capacity Chart 2

Towing Capacity by Engines – 2018 RAM 3500

The chart above displays the three different engine options available for the RAM 3500, along with their corresponding horsepower, torque, maximum towing capacity, and maximum payload capacity.

EngineMax. Towing CapacityMax. Payload Capacity
5.7L HEMI V813,910 lbs4,480 lbs
6.4L HEMI V816,480 lbs7,350 lbs
6.7L Cummins Turbo Diesel (auto)22,550 lbs6,720 lbs
6.7L Cummins Turbo Diesel (manual)18,510 lbs6,680 lbs
6.7L Cummins High Output Turbo Diesel31,210 lbs6,580 lbs
2018 RAM 3500 Towing and Payload Capacity Chart

The RAM 3500 comes in either a 6-speed automatic or a 6-speed manual transmission, with rear-wheel drive as the drivetrain option.

5.7L HEMI V8 Engine

The 5.7L HEMI V8 engine is a standard engine that produces 383 horsepower and 400 lb-ft of torque. With this engine, you can tow up to 13,910 lbs and carry a maximum payload capacity of 4,480 lbs.

  • Horsepower: 383 hp
  • Torque: 400 lb-ft
  • Maximum Towing Capacity: 13,910 lbs
  • Maximum Payload Capacity: 4,480 lbs

6.4L HEMI V8 Engine

The 6.4L HEMI V8 engine is the second option that provides an impressive 410 horsepower and 429 lb-ft of torque. This engine can haul up to 16,480 lbs of towing capacity and has a maximum payload capacity of 7,350 lbs.

  • Horsepower: 410 hp
  • Torque: 429 lb-ft
  • Maximum Towing Capacity: 16,480 lbs
  • Maximum Payload Capacity: 7,350 lbs

6.7L Cummins Turbo Diesel Engine (auto)

The 6.7L Cummins Turbo Diesel (auto) engine is another great option, boasting an impressive 385 horsepower and a whopping 930 lb-ft of torque.

This engine can tow up to 22,550 lbs and has a maximum payload capacity of 6,720 lbs.

  • Horsepower: 385 hp
  • Torque: 930 lb-ft
  • Maximum Towing Capacity: 22,550 lbs
  • Maximum Payload Capacity: 6,720 lbs

6.7L Cummins Turbo Diesel Engine (manual)

The 6.7L Cummins Turbo Diesel (manual) engine is the fourth option and has a horsepower of 350 and a torque of 660 lb-ft.

With this engine, you can tow up to 18,510 lbs and have a maximum payload capacity of 6,680 lbs.

  • Horsepower: 350 hp
  • Torque: 660 lb-ft
  • Maximum Towing Capacity: 18,510 lbs
  • Maximum Payload Capacity: 6,680 lbs

6.7L Cummins High Output Turbo Diesel Engine

Finally, the 6.7L Cummins High Output Turbo Diesel engine is the most potent engine option, producing a horsepower of 385 and a torque of 930 lb-ft.

With this engine, you can tow up to a whopping 31,210 lbs and carry a maximum payload capacity of 6,580 lbs. Also, the 2018 RAM 3500 Fifth-Wheel towing capacity is up to 30,000 pounds.

  • Horsepower: 385 hp
  • Torque: 930 lb-ft
  • Maximum Towing Capacity: 31,210 lbs
  • Maximum Payload Capacity: 6,580 lbs

Cummins technology allows for up to 15,000 miles between oil changes, reducing downtime and maintenance costs.

The AISIN Heavy-Duty 6-speed automatic transmission is equipped to handle the power of the Cummins High Output Turbo Diesel and Features a Transmission Control Module and ramped-up Tow/Haul Mode.

Fifth Wheel/Gooseneck Towing Capacity

If you are looking to tow heavy loads with your 2018 Ram 3500, it’s important to keep in mind the recommended tongue weight and hitch requirements.

For a conventional hitch, it is recommended that the tongue weight be 10-15% of the gross trailer weight, while for a gooseneck or fifth wheel hitch, the recommended tongue weight is higher, at 20-25% of the gross trailer weight.

Additionally, the maximum tongue weight for the Ram 3500’s gooseneck hitch is limited to 6000 pounds, while the fifth wheel hitch is limited to 5000 pounds.

It’s also important to note that a fifth-wheel or gooseneck hitch is required for trailers over 17,000 pounds, while a gooseneck hitch is required for trailers over 25,000 pounds.

Keeping these guidelines in mind can help ensure safe and successful towing with your 2018 Ram 3500.

Towing & Payload Capacity by Trims

The 2018 RAM 3500 offers 8 different trim levels to choose from: Big Horn, Lone Star, Laramie Longhorn, SLT, Tradesman, Laramie, and Limited

These trims can be customized with either a 2-wheel or 4-wheel drive, and are available in 2-door Regular-cab, 4-door Crew-cab, or 4-door Mega cabs.

Laramie

ModelTowing CapacityPayload CapacityGVWRCurb WeightDrive TypeWheelbase
Laramie 4×2 Crew Cab SRW12000 lb3948 lb10500 lb6552 lbRWD149.5 in.
Laramie 4×2 Crew Cab12000 lb4452 lb11100 lb6648 lbRWD169.5 in.
Laramie 4×2 Mega Cab12000 lb4420 lb11200 lb6780 lbRWD160.5 in.
Laramie 4×4 Crew Cab SRW12000 lb3875 lb10800 lb6925 lb4WD149.5 in.
Laramie 4×4 Crew Cab 169.5 in. WB12000 lb4329 lb11400 lb7071 lb4WD169.5 in.
Laramie 4×4 Mega Cab 12000 lb4291 lb11400 lb7109 lb4WD160.5 in.
Table displays the minimum Towing and Payload Capacities for these configurations.

Laramie Longhorn

ModelTowing CapacityPayload CapacityGVWRCurb WeightDrive TypeWheelbase
Laramie Longhorn 4×2 Crew Cab SRW12000 lb3914 lb10500 lb6586 lbRWD149.5 in.
Laramie Longhorn 4×2 Crew Cab12000 lb4354 lb11100 lb6746 lbRWD169.5 in.
Laramie Longhorn 4×2 Mega Cab12000 lb4303 lb11200 lb6897 lbRWD160.5 in.
Laramie Longhorn 4×4 Crew Cab SRW12000 lb3795 lb10800 lb7005 lb4WD149.5 in.
Laramie Longhorn 4×4 Crew Cab12000 lb4249 lb11400 lb7151 lb4WD169.5 in.
Laramie Longhorn 4×4 Mega Cab 12000 lb4183 lb11400 lb7217 lb4WD160.5 in.
Table displays the minimum Towing and Payload Capacities for these configurations.

SLT

ModelTowing CapacityPayload CapacityGVWRCurb WeightDrive TypeWheelbase
SLT 4×2 Crew Cab11000 lb4042 lb10500 lb6458 lbRWD149.5 in.
SLT 4×2 Crew Cab11000 lb4445 lb11000 lb6555 lbRWD169.5 in.
SLT 4×2 Mega Cab11000 lb4339 lb11000 lb6661 lbRWD160.5 in.
SLT 4×2 Regular Cab11000 lb4047 lb10100 lb6053 lbRWD140 in.
SLT 4×4 Crew Cab SRW11000 lb3916 lb10700 lb6784 lb4WD149.5 in.
SLT 4×4 Crew Cab10000 lb4349 lb11300 lb6951 lb4WD169.5 in.
SLT 4×4 Mega Cab10000 lb4355 lb11300 lb6945 lb4WD160.5 in.
SLT 4×4 Regular Cab11000 lb3916 lb10300 lb6384 lb4WD140 in.
Table displays the minimum Towing and Payload Capacities for these configurations.

Tradesman

ModelTowing CapacityPayload CapacityGVWRCurb WeightAxle RatioWheelbase
Tradesman 4×2 Crew Cab11000 lb4088 lb10500 lb6412 lbRWD149.5 in.
Tradesman 4×2 Crew Cab11000 lb4476 lb11000 lb6524 lbRWD169.5 in.
Tradesman 4×2 Regular Cab11000 lb4078 lb10100 lb6022 lbRWD140 in.
Tradesman 4×4 Crew Cab11000 lb3968 lb10700 lb6732 lb4WD149.5 in.
Tradesman 4×4 Crew Cab11000 lb4391 lb11300 lb6909 lb4WD169.5 in.
Tradesman 4×4 Regular Cab11000 lb3930 lb10300 lb6370 lb4WD140 in.
Table displays the minimum Towing and Payload Capacities for these configurations.

Payload Capacity – 2018 RAM 3500

The table provides information on the maximum payload capacity of the 2018 RAM 3500 for different engine options.

One of the most important factors to consider when loading up your RAM 3500 is the maximum payload capacity of the vehicle.

This refers to the weight that the truck can carry without causing any safety or performance issues.

It’s important to know the payload capacity of your RAM 3500 to ensure that you are operating within its limits.

EngineMax. Payload Capacity
5.7L HEMI V84,480 lbs
6.4L HEMI V87,350 lbs
6.7L Cummins Turbo Diesel (auto)6,720 lbs
6.7L Cummins Turbo Diesel (manual)6,680 lbs
6.7L Cummins High Output Turbo Diesel6,580 lbs
2018 RAM 3500 Payload Capacity Chart

Using VIN Decoder

If you already own a 2018 RAM 3500 truck and want to know the towing capacity, payload capacity, trim, curb weight, axle ratio code, and other information about your truck, you can use a VIN decoder.

A VIN decoder is an online tool that allows you to decode the unique Vehicle Identification Number (VIN) of your vehicle and provides you with detailed information about its specifications and history.

One of the popular VIN decoders is the Dodge VIN Decoder. It’s free and easy to use. Just type your vehicle VIN and get most of the information about your specific model.

Other Useful Information

Gross Axle Weight Ratings (GAWRs), Gross Vehicle Weight Ratings (GVWRs), and Gross Combined Weight Ratings (GCWRs) are crucial for safe towing. You should never exceed these ratings to prevent accidents and damage to your vehicle.

Drivetrain Options:

The 2018 RAM 3500 offers two drivetrain options:

  • 4×2 – Lower towing capacity than 4×4
  • 4×4 – Higher towing capacity than 4×2

Cab Configuration:

The 2018 RAM 3500 offers three cab configurations:

  1. Regular Cab – Higher towing capacity than Crew Cab and Mega Cab
  2. Crew Cab – Lower towing capacity than Regular Cab and Mega Cab
  3. Mega Cab – Lower towing capacity than Regular Cab and higher than Crew Cab

Payload Calculation:

  • Payload is calculated by subtracting the Curb Weight from the Gross Vehicle Weight Rating (GVWR). (Payload = GVWR – Curb Wt.)
  • Note that in some cases, the payload value may be rounded down to the nearest 10 pounds.
  • In the case of the 3500 Regular Cab, 4×2, 6.4L with 4.10 axle ratio, the GVWR of 13,800 lb applies to the Tradesman and ST packages only.
  • For all other price classes for this configuration (Reg Cab, 4×2, 6.4L with 4.10 axle ratio), the GVWR is 13,700 lb.

Maximum Trailer Weight:

  • The maximum trailer weight is the weight that can be safely towed by the vehicle.
  • Note that in some cases, the maximum trailer weight may be rounded down to the nearest 50 pounds.
  • Payload and maximum trailer weight are mutually exclusive, meaning that if the maximum payload weight is reached, the maximum trailer weight should not be exceeded.

GCWR Calculation:

  • Gross Combination Weight Rating (GCWR) is a defined value in pounds.
  • Base weights may change due to a production audit or product change.
  • GCW can be calculated by adding the base weight, driver weight (150 pounds), maximum trailer weight, and 20 pounds. (GCW = Base weight + 150 lbs (Driver weight) + Max Trailer + 20 lbs)

Recommended Tongue Weight:

  • For a conventional hitch, the recommended tongue weight is 10-15% of the gross trailer weight.
  • The maximum tongue weight for Class V (the receiver hitch) is limited to 1700 pounds.
  • For a Gooseneck and Fifth wheel hitch, the recommended tongue weight is 20-25% of the gross trailer weight.
  • The maximum tongue weight for Ram 3500 Gooseneck Hitch is limited to 6000 pounds, and for the fifth wheel hitch is limited to 5000 pounds.

Hitch Requirements:

  • A fifth-wheel or gooseneck hitch is required for trailers over 17,000 pounds.
  • A gooseneck hitch is required for trailers over 25,000 pounds.

GVWR and GAWR Limitations:

  • It is important to note that the Gross Vehicle Weight Rating (GVWR) and Gross Axle Weight Ratings (GAWR) should never be exceeded.
  • The GVWR is the maximum weight that the vehicle can carry, including passengers, cargo, and fuel.
  • The GAWR is the maximum weight that each axle can support.

Useful Resources

2018 RAM 3500 Towing Capacity PDF

Conclusion

In conclusion, the 2018 RAM 3500 Heavy-Duty Truck is a powerful vehicle with impressive towing and payload capacities. With a towing capacity of 31,210 pounds and a maximum payload capacity of 7,350 pounds, this truck is capable of handling a variety of heavy-duty tasks.

However, it’s essential to keep in mind that these capacities can vary depending on several factors, so it’s essential to consult the charts and consider all relevant factors before towing.

Whether you’re hauling a trailer or transporting heavy equipment, the RAM 3500 is a reliable and capable vehicle that won’t disappoint.

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