Mack Pioneer

{{Short description|Heavy-duty truck}}

{{Use mdy dates|date=April 2025}}

{{Use American English|date=April 2025}}

{{Infobox automobile

| image =

| name = Mack Pioneer

| manufacturer = Mack Trucks

| aka =

| production = 2025–present

| assembly = United States:

| predecessor =

| successor =

| class = Class 8 heavy-duty tractor

| body_style = Conventional daycab, sleeper

| layout = RWD single or tandem axle

| engine = {{Unbulleted list

| Mack

}}

| transmission = Mack

| wheelbase =186"–243"{{fact|date=August 2023}}

| length =18'–25'{{fact|date=August 2023}}

| width = 96"–100"{{fact|date=August 2023}}

| height = 10'–12'{{fact|date=August 2023}}

| weight = 13,000–18,000 lbs.{{fact|date=August 2023}}

| related = Volvo VN, Mack Anthem

| designer =

}}

The Mack Pioneer is a heavy-duty truck produced by the American vehicle manufacturer Mack Trucks. Initially developed in North America, it was introduced in 2025 {{Cite web |date=2025-04-08 |title=Mack Trucks introduces new Pioneer Class 8 tractor |url=https://www.ccjdigital.com/trucks/article/15741703/mack-trucks-introduces-new-pioneer-class-8-tractor |access-date=2025-04-12 |website=Commercial Carrier Journal |language=en-us}} The Mack Pioneer is manufactured in Pennsylvania, United States {{Cite web |last=Unger |first=Amy |date=2025-03-09 |title=The Bulldog at 125: Mack Trucks rolling out new semi in Lehigh Valley |url=https://www.wfmz.com/news/area/lehighvalley/the-bulldog-at-125-mack-trucks-rolling-out-new-semi-in-lehigh-valley/article_f53f7a7e-f44b-11ef-8605-eb2ae230c960.html |access-date=2025-04-12 |website=WFMZ.com |language=en}}