Silverado Medium Duty (GM515, 2019–2026)

gear ratios 3.10, 1.80, 1.40, 1.00, 0.70 and 0.61; 26,001 lb GCW maximum; requires PTX and a park pawl; for GVW at or below 19.5K

gear ratios 3.10, 1.80, 1.40, 1.00, 0.70 and 0.61; 26,001 lb GCW maximum (the list prints 26,001K); requires PTX and a park pawl; for GVW above 19.5K

the list prints "EmGard FE -75W-90"

the Silverado HD (T1XX) doc reads G80 "Differential, rear, auto-locking" from the pickup lists

page-1 column heading LT: the same four models as 1WT

page-1 column heading WT: models CC56403 (2WD regular cab), CC56043 (2WD crew cab), CK56403 (4WD regular cab) and CK56043 (4WD crew cab)

for 165 inch wheelbase trucks only; allows 7,000 and 8,000 lb front axles and/or 15,500 lb rear spring suspension for utility/service, aerial lift/bucket, plow/spreader and landscape dump bodies

the Silverado HD (T1XX) doc reads PCK on the 3500 HD chassis cab as Ambulance / Fire / Rescue Package

the Silverado HD (T1XX) doc reads PCL on the pickups as Convenience Package

the Silverado HD (T1XX) doc reads PCM on the pickups as Convenience Package II

the Silverado HD (T1XX) doc reads PCN on the pickups as LTZ Convenience Package II

the 2025 list prints "Seat Belt, Orange"

the Silverado HD (T1XX) doc reads this code "Key equipment, two additional key fobs"

the 2025 fleet guide key page prints "Not available to order at this time"

orderable; requires a Fleet or Government order; alternate to 6E8; not compatible with previous model years; the Silverado 1500 doc reads it "Key, common, all keys coded alike"

orderable; requires a Fleet or Government order; alternate to 6E2; not compatible with previous model years; the Silverado 1500 doc reads it "Key, common, all keys coded alike"

the list prints 7673 kg

the list prints 7673 kg

includes connector and blunt-cut wires

the color and trim pages pair it with vinyl and cloth seat trim in 1WT; the Silverado HD (T1XX) doc reads this code more briefly from its 2023 Upfitter list

crew cab: head-curtain airbags for front and rear outboard seats; regular cab: front outboard seats only; the Silverado HD (T1XX) doc reads AY0 on the pickups as dual-stage frontal airbags

the Silverado HD (T1XX) doc reads it without "Graphite-colored"

the lists print "Remote Start"

the list prints "PDF /" before the entry

the Silverado HD (T1XX) doc reads it "Center console, floor"

the convex glass is not heated and not power-adjustable

the Silverado HD (T1XX) doc reads it "Door handles, chrome"

the list omits the unit after 11,000

the Silverado HD (T1XX) doc reads it "Audio system, Chevrolet Infotainment 3"

the 2025 list prints "110-volt" and the 2026 list "120-volt"

the Silverado HD (T1XX) doc reads it "Steering column, tilt-wheel"

the Silverado HD (T1XX) doc reads it "Steering wheel, urethane"

the Silverado HD (T1XX) doc reads it "Skid plates"

the 2025 list prints "OnStar Security" with "Months of Service"; the 2026 list "OnStar Protect"

the 2025 list prints "OnStar Security" with "Months of Service"; the 2026 list "OnStar Protect"

the 2025 list prints "OnStar Security" with "Months of Service"; the 2026 list "OnStar Protect"

the 2025 list prints "OnStar Security" with "Months of Service"; the 2026 list "OnStar Protect"

the 2025 list prints "OnStar Security" with "Months of Service"; the 2026 list "OnStar Protect"

the 2025 list prints "OnStar Insights" with "Months of Service"; the 2026 list "OnStar Telematics"

the 2025 list prints "OnStar Insights" with "Months of Service"; the 2026 list "OnStar Telematics"

the 2025 list prints "OnStar Insights" with "Months of Service"; the 2026 list "OnStar Telematics"

the 2025 list prints "OnStar Insights" with "Months of Service"; the 2026 list "OnStar Telematics"

the 2025 list prints "OnStar Insights" with "Months of Service"; the 2026 list "OnStar Telematics"

the 2026 list gives this code another meaning (API Elite, 24 months)

the 2025 list gives this code another meaning (SiriusXM extension of 9 months)

the Silverado HD (T1XX) doc reads it "Power take-off"

the list prints "flo-thru"

the list prints "OnStar One Business Plus" with "Months of Service"; the Silverado HD (T1XX) doc reads the code "OnStar One Fleet"

the list prints "OnStar One Business Plus" with "Months of Service"; the Silverado HD (T1XX) doc reads the code "OnStar One Fleet"

the list prints "OnStar One Business Plus" with "Months of Service"; the Silverado HD (T1XX) doc reads the code "OnStar One Fleet"

the list prints "OnStar One Business Plus" with "Months of Service"; the Silverado HD (T1XX) doc reads the code "OnStar One Fleet"

the list prints "OnStar One Business Plus" with "Months of Service"; the Silverado HD (T1XX) doc reads the code "OnStar One Fleet"

the Silverado HD (T1XX) doc reads it "LPO, underseat storage"

maximum axle load 7,940 lb

maximum axle load 7,940 lb

maximum axle load 15,000 lb

maximum axle load 15,000 lb

the 2025 list prints "Paint Scheme, Style 1" and the 2026 list "Paint Scheme, solid, SEO"; the Silverado HD (T1XX) doc reads the code "Special exterior color"

touch-up WA-334D; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-105V; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-9403; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-5248; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-5445; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-5456; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-121V; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-722J; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-441B; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-7952; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-7927; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-136X; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-9414; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-637R; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-9792; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-142X; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-215D; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-770H; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-454N; listed on the SEO paint color and trim pages; the RPO code lists do not print the code

touch-up WA-384A; listed on the SEO paint color and trim pages

touch-up WA-457B; listed on the SEO paint color and trim pages

touch-up WA-439C; listed on the SEO paint color and trim pages

touch-up WA-9015; listed on the SEO paint color and trim pages

touch-up WA-634D; listed on the SEO paint color and trim pages

touch-up WA-334E; listed on the SEO paint color and trim pages

touch-up WA-464C; listed on the SEO paint color and trim pages

touch-up WA-253A; listed on the SEO paint color and trim pages

touch-up WA-9417; listed on the SEO paint color and trim pages

touch-up WA-409Y; listed on the SEO paint color and trim pages

touch-up WA-626D; listed on the SEO paint color and trim pages

touch-up WA-613G

touch-up WA-618G

touch-up WA-130X

touch-up WA-619D; the Silverado HD (T1XX) doc carries GA0 for 2023 only, named "Some Kinda Blue Metallic" in its 2023 Upfitter list

touch-up WA-636R; the Silverado HD (T1XX) doc names GAN "Switchblade Silver Metallic" from its 2023 Upfitter list

touch-up WA-8624

touch-up WA-8555

touch-up WA-610G; the Silverado HD (T1XX) doc names GHR "Cannon Metallic" from its 2023 Upfitter list

touch-up WA-327E; premium paint at an additional charge

touch-up WA-633D

touch-up WA-130H

touch-up WA-136H

seat trim in cloth, Jet Black; the color and trim pages print it for 1WT and 1LT (with a footnote mark on the WT and LT page: not available with APL passenger seat delete); the Silverado HD (T1XX) doc reads it "cloth, level 2, Jet Black" from its 2023 Upfitter list

1WT with seat codes AE7 and A52 (vinyl)

1WT with seat codes AE7 and A52 (cloth)

1LT with seat codes A52 and A95 (cloth)

calibrations for a chassis upfitted with an aerial lift, bucket or boom lift