2020 Ram 3500 transmission — (AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side) price snapshot
- Low
- $2,950
- Average
- $4,994
- High
- $7,294
Year & trim-specific price guide
Used 2020 Ram 3500 Transmission — (AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side) prices
Trim-specific pricing for the (AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side) variant of the 2020 Ram 3500 transmission, built from 14 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 14, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price summary
A used 2020 Ram 3500 transmission ((AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side)) costs $2,950 to $7,294, with a median asking price of $4,855. Based on 14 priced salvage yard listings across the US, updated Oct 14, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$4,800
Grade B (good)$2,950
USD
Condition comparison
Price by part grade
Grade AClean / low wear$3,984–$7,29411 listings
Grade BStandard used$2,950–$2,9501 listings
Grade XUngraded$6,693–$6,8802 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $3,984–$7,294 | 11 | |
| Grade BStandard used | $2,950–$2,950 | 1 | |
| Grade XUngraded | $6,693–$6,880 | 2 |
Median by grade
Grade price comparison
Grade A$4,800
Grade B$2,950
Ungraded$6,880
Median asking price by seller-reported condition grade · $2,950–$7,294 overall range
Trim-specific context
How does the (AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side) compare?
This pricing covers the (AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side) variant of the 2020 Ram 3500 transmission, based on 14 priced listings. Its $4,855 median is 63% above the 2020 Ram 3500 transmission overall median of $2,970.
There are 15 other transmission variants available for the 2020 Ram 3500.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
(AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side) in other model years
Same year, other trims
What other 2020 Ram 3500 transmission variants are available?
(AT), 4x4, Pickup, 6 speed, opt ETM
46 listings$2,340$990 – $3,700(AT), 4x2, Chassis Cab, 8 speed
42 listings$1,670$920 – $3,000(AT), 4x2, Pickup, 8 speed
42 listings$1,670$920 – $3,000(AT), 4x2, Pickup, 6 speed, opt ETL
38 listings$3,246$1,700 – $7,566(AT), 4x4, Chassis Cab, 6 speed, 6.7L (AS69RC), w/o PTO
36 listings$5,311$3,200 – $7,900(AT), 4x4, Chassis Cab, 6 speed, 6.7L (AS69RC), PTO (left side)
30 listings$3,768$2,375 – $7,485(AT), 4x4, Pickup, 6 speed, opt ETL
29 listings$3,536$2,000 – $4,919(AT), 4x2, Chassis Cab, 6 speed, 6.7L (AS69RC), w/o PTO
26 listings$4,045$2,500 – $6,900(AT), 4x2, Pickup, 6 speed, opt ETM
22 listings$3,478$1,933 – $4,139(AT), 4x4, Chassis Cab, 8 speed
10 listings$1,012$862 – $1,400(AT), 4x4, Pickup, 8 speed
10 listings$1,012$862 – $1,400(AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), w/o PTO
9 listings$2,405$1,710 – $6,880(AT), 4x2, Chassis Cab, 6 speed, 6.4L (AS66RC), w/o PTO
8 listings$3,315$2,700 – $6,880(AT), 4x2, Chassis Cab, 6 speed, 6.7L (AS69RC), PTO (left side)
7 listings$3,500$1,500 – $6,900(AT), 4x2, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side)
3 listings$6,693$3,800 – $6,880Back to full guide
2020 Ram 3500 transmission — all trims
Common questions
2020 Ram 3500 transmission ((AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side)) FAQ
How much is a used 2020 Ram 3500 transmission ((AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side))?
Based on 14 priced salvage-yard listings, a used 2020 Ram 3500 transmission in the (AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side) variant lists between $2,950 and $7,294, with a median asking price of $4,855.
Which years use the (AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side) transmission?
The (AT), 4x4, Chassis Cab, 6 speed, 6.4L (AS66RC), PTO (left side) variant appears in model years 2019, 2020, 2021, 2022, 2023, 2024. Prices and availability may differ by year.