Tires Size 520/85R42
Dimensions, specs, and every size 520/85R42 tire currently in stock
76.8"
1951 mm · calculated
520 mm
20.47 inches
17.4"
442 mm · 85% profile
42"
1066.8 mm
Showing 1 to 8 of 8 products
520/85R42 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 20.47 in | 520 mm |
| Aspect ratio | 85% | — |
| Sidewall height | 17.4 in | 442 mm |
| Overall diameter (calculated) | 76.8 in | 1951 mm |
| Wheel / rim diameter | 42 in | 1066.8 mm |
| Construction | Radial | — |
What does 520/85R42 mean?
Reading the code on your sidewall
520 mm
The distance from sidewall to sidewall across the tire's widest point.
85% profile
The sidewall stands 85% of the section width, which is 442 mm on this size.
Radial
The body plies run across the tire at right angles to the direction of travel.
42 in
Fits a wheel measuring 42 inches across.
520/85R42 Questions & Answers
Dimensions and fitment guidelines for size 520/85R42
Need Help Choosing The Right Tires?
Have questions about fitment, brands, or pricing? Our team of tire experts is here to guide you to the perfect set — zero pressure, zero sales tactics.
Talk to a Tire Specialist Today
We make tire buying fast and effortless. Call or email us (Mon – Sat, 9AM – 5PM PT) to check size compatibility, load index, or speed ratings for your vehicle.
Expert Advice
Reply within 1 business day
Shop Our Collection
Explore premium tires, wheels, and fitments from top brands
Royalblack Milagemax Ltr H/T LT265/75R16
Ironman Iron Imove Gen AS 195/65R15
Ironman Iron Imove Gen AS 195/65R15
Ironman Iron All Country HT 4S 245/60R18
Ironman Iron All Country HT 4S 245/60R18
Duraturn Mozzo Touring 195/65R15
Delinte DH2 A/S 215/70R15
Atlander Roverclaw H/T LT235/85R16
Gripmax Maxgrip R/T 80PSI 37X13.50R24LT
Barkley Aphelios UHP 275/45R20
Royalblack Terra Force A/T 275/65R18
Royalblack Milagemax Ltr H/T LT265/75R16
Ironman Iron Imove Gen AS 195/65R15
Ironman Iron Imove Gen AS 195/65R15
Ironman Iron All Country HT 4S 245/60R18
Ironman Iron All Country HT 4S 245/60R18
Duraturn Mozzo Touring 195/65R15
Delinte DH2 A/S 215/70R15
Atlander Roverclaw H/T LT235/85R16
Gripmax Maxgrip R/T 80PSI 37X13.50R24LT
Barkley Aphelios UHP 275/45R20
Royalblack Terra Force A/T 275/65R18