Authentic 18-Speed Gear-Jamming Pride (No Fake Car Shift Knobs!)
Nothing annoys a real commercial driver faster than a novelty shirt with a 5-speed passenger car shift knob on it. Our 18 Gears 40 Tons Zero Patience – 18-Speed Shift Pattern Trucker Shirt features an authentic heavy-duty 18-speed splitter diagram paired with classic manual transmission humor.
Explore more gear-jammer classics in our Old School CDL Dad & 18-Speed Shirts collection.
U.S. Heavyweight Workwear Sizing Guide (S – 5XL)
Our tees and hoodies are cut for real American tradesmen and drivers—roomy in the shoulders and chest with extra length so your shirt stays tucked or comfortable behind the wheel.
| Size | Chest Width (Inches) | Body Length (Inches) | Recommended Weight (Lbs) |
|---|---|---|---|
| S | 36 – 38" | 28" | 130 – 155 lbs |
| M | 39 – 41" | 29" | 155 – 180 lbs |
| L | 42 – 44" | 30" | 180 – 210 lbs |
| XL | 45 – 48" | 31" | 210 – 240 lbs |
| 2XL | 49 – 52" | 32" | 240 – 275 lbs |
| 3XL | 53 – 56" | 33" | 275 – 310 lbs |
| 4XL | 57 – 60" | 34" | 310 – 345 lbs |
| 5XL | 61 – 64" | 35" | 345+ lbs |
Verified Buyer Reviews
Billy C. — ✔ Verified Buyer
★★★★★
"The 18-speed splitter diagram on the shirt is 100% accurate—not like those fake 5-speed car shift graphics other sites put on trucker shirts!"
Frequently Asked Questions
Q: Does the graphic show an actual 18-speed Roadranger shift pattern?
Yes! Our design features the authentic 18-speed H-pattern with high/low range and splitter positions that real CDL drivers immediately recognize.