GVWR |
Gross Vehicle Weight Rating. Maximum rated weight of a vehicle and its cargo, including passengers (excluding trailers). |
GCWR |
Gross Combined Weight Rating. Maximum rated combined weight of a vehicle, its cargo, and trailer(s). |
FAWR |
Front Axle Weight Rating. Maximum rated weight that can be applied to the axle. |
RAWR |
Rear Axle Weight Rating. Maximum rated weight that can be applied to the axle. |
Payload |
Maximum weight of combined cargo that a vehicle can carry (excluding trailers). |
Conventional Tow |
Maximum rated trailer weight when towing using a conventional "bumper pull" receiver hitch. |
5th Wheel Tow |
Maximum rated trailer weight when towing using a 5th wheel hitch system. |
Gooseneck Tow |
Maximum rated trailer weight when using a gooseneck hitch system. |
SRW |
Single rear wheel |
DRW |
Dual rear wheel |
TBA |
To be announced; awaiting release of ratings from the manufacturer |
TBC |
To be confirmed; awaiting confirmation on ratings released from the manufacturer |

2021 Chevrolet Silverado 3500HD/4500HD/5500HD Chassis cabs
Model: |
Sierra/Silverado 3500HD Chassis Cab |
Silverado 4500HD |
Silverado 5500HD |
Gas Engine: |
GM 6.6L V-8 |
N/A - gas engine not available |
|
Diesel Engine: |
6.6L Duramax V-8 L5P |
6.6L Duramax V-8 L5D |
|
Peak Horsepower (gas): |
401 hp @ 5,200 rpm |
N/A - gas engine not available |
|
Peak Torque (gas): |
464 lb-ft @ 4,000 rpm |
N/A - gas engine not available |
|
Peak Horsepower (diesel): |
445 hp @ 2,800 rpm |
350 hp @ 2,600 rpm |
|
Peak Torque (diesel): |
910 lb-ft @ 1,600 rpm |
700 lb-ft @ 1,600 rpm |
|
Transmission(s): |
GM 6L90 6 speed automatic (gas only) |
Allison 1700/1750/2700 Series 6 speed automatic |
|
Max GVWR: |
14,000 lbs |
16,500 lbs |
19,500 lbs |
Max GCWR |
24,000 - 40,000 lbs |
26,000 - 37,000 lbs |
|
Max FAWR: |
6,000 lbs |
7,500 lbs |
8,000 lbs |
Max RAWR: |
10,400 lbs |
15,500 lbs |
15,500 lbs |
Max Payload: |
7,571 lbs |
N/A - to be calculated after upfit using GVWR |
|
Max Conventional Tow: |
N/A - to be calculated after upfit using GCWR |
||
Max 5th Wheel/Gooseneck Tow: |
2021 Ram 3500/4500/5500 Chassis Cabs

Model: |
Ram 3500 Chassis Cab, SRW |
Ram 3500 Chassis Cab, DRW |
Ram 4500 Chassis Cab |
Ram 5500 Chassis Cab |
Gas Engine: |
6.4L Hemi V-8 |
|||
Diesel Engine: |
6.7L Cummins I-6 |
|||
Peak Horsepower (gas): |
410 hp @ 5,600 rpm |
370 hp @ 4,600 rpm |
||
Peak Torque (gas): |
429 lb-ft @ 4,000 rpm |
429 lb-ft @ 4,000 rpm |
||
Peak Horsepower (diesel): |
360 hp @ 2,800 rpm |
|||
Peak Torque (diesel): |
800 lb-ft @ 1,700 rpm |
|||
Transmission(s): |
Aisin AS66RC w/ 6.4L Hemi |
|||
Max GVWR: |
10,700 lbs |
14,000 lbs |
16,500 lbs |
19,500 lbs |
Max GCWR |
24,000 lbs |
33,000 lbs |
37,500 lbs |
43,000 lbs |
Max FAWR: |
5,500 lbs |
6,000 lbs |
7,250 lbs |
7,250 lbs |
Max RAWR: |
6,800 lbs |
9,850 lbs |
12,000 lbs |
13,500 lbs |
Max Payload: |
4,230 lbs |
7,750 lbs |
9,690 lbs |
12,510 lbs |
Max Conventional Tow: |
18,950 lbs |
23,000 lbs |
23,000 lbs |
23,000 lbs |
Max Gooseneck/5th Wheel Tow: |
18,950 lbs |
25,890 lbs |
29,770 lbs |
35,220 lbs |

2021 Ford F-350/F-450/F-550 Chassis Cabs
Model: |
Ford F-350 Chassis Cab, SRW |
Ford F-350 Chassis Cab, DRW |
Ford F-450 Chassis Cab |
Ford F-550 Chassis Cab |
Gas Engines: |
6.2L SOHC 2v V-8 |
7.3L DECVT 2v V-8 |
||
Diesel Engine: |
6.7L Power Stroke V-8 |
|||
Peak Horsepower (gas): |
385 hp @ 5,750 rpm (6.2L) |
350 hp @ 3,900 rpm |
||
350 hp @ 3,900 rpm (7.3L) |
||||
Peak Torque (gas): |
430 lb-ft @ 3,800 rpm (6.2L) |
468 lb-ft @ 3,900 rpm |
||
468 lb-ft @ 3,900 rpm (7.3L |
||||
Peak Horsepower (diesel): |
330 hp @ 2,600 rpm |
|||
Peak Torque (diesel): |
825 lb-ft @ 2,000 rpm |
|||
Transmission: |
TorqShift 10R140 10 speed automatic |
|||
Max GVWR: |
11,500 lbs |
16,500 lbs |
16,500 lbs |
19,500 lbs |
Max GCWR |
30,000 lbs |
32,500 lbs |
35,000 lbs |
40,000 lbs |
Max FAWR: |
5,990 lbs |
7,500 lbs |
7,500 lbs |
7,500 lbs |
Max RAWR: |
7,230 lbs |
12,880 lbs |
12,880 lbs |
14,706 lbs |
Max Payload: |
4,970 lbs |
8,800 lbs |
9,850 lbs |
12,750 lbs |
Max Conventional Tow: |
13,500 lbs |
17,500 lbs |
17,500 lbs |
18,500 lbs |
Max 5th Wheel/Gooseneck Tow: |
22,700 lbs |
24,700 lbs |
26,600 lbs |
31,600 lbs |
Sources: www.ford.com, www.chevrolet.com, www.gmc.com, www.ramtrucks.com