Sep 8, 2026

US12728825 - Military vehicle

A military vehicle assembly includes a rear module. The rear module includes a rear frame assembly, a bed supported by the rear frame assembly, a rear tractive assembly, and a transaxle supported by the rear frame assembly and coupled to the rear tractive assembly. The rear frame assembly has one or more upper interfaces and one or more lower interfaces. The one or more upper interfaces are configured to detachably couple to a rear end of a passenger capsule of a military vehicle. The one or more lower interfaces are configured to detachably coupled to a bottom of the passenger capsule. The transaxle is supported by the rear frame assembly. The transaxle is coupled to the rear tractive assembly. The transaxle is configured to couple to a prime mover and a front differential of the military vehicle.

Assignee: Oshkosh Defense, LLC
Inventors: Don Verhoff, Gary Schmiedel, Chris Yakes, Rob Messina, Brian Wilkins, Kent Schulte, Daniel R. Seffernick, Joseph Holda, Michael Peotter, David McGraw, Anthony Seefeldt, Dave Pelko, Jesse Gander, Jerry Reineking, Jesse Steinke
Filing date: 2025-07-10

The patent describes a military vehicle assembly featuring a rear module that includes a rear frame assembly with interfaces for coupling to a passenger capsule, along with a bed, rear tractive assembly, and transaxle. Additionally, the assembly incorporates a rear suspension system designed to enhance stability and performance during operation.

Claim 1

1 . A military vehicle assembly comprising: a rear module including: a rear frame assembly having one or more upper interfaces and one or more lower interfaces, the one or more upper interfaces configured to detachably couple to a rear end of a passenger capsule of a military vehicle, the one or more lower interfaces configured to detachably coupled to a bottom of the passenger capsule; a bed supported by the rear frame assembly; a rear tractive assembly; a transaxle supported by the rear frame assembly, the transaxle coupled to the rear tractive assembly, the transaxle configured to couple to a prime mover and a front differential of the military vehicle; and a rear suspension system including a first spring, a second spring, a first damper, and a second damper, wherein at least one (a) the first spring and the second spring or (b) the first damper and the second damper extends between a housing of the transaxle and the rear tractive assembly. a rear module including: a rear frame assembly having one or more upper interfaces and one or more lower interfaces, the one or more upper interfaces configured to detachably couple to a rear end of a passenger capsule of a military vehicle, the one or more lower interfaces configured to detachably coupled to a bottom of the passenger capsule; a bed supported by the rear frame assembly; a rear tractive assembly; a transaxle supported by the rear frame assembly, the transaxle coupled to the rear tractive assembly, the transaxle configured to couple to a prime mover and a front differential of the military vehicle; and a rear suspension system including a first spring, a second spring, a first damper, and a second damper, wherein at least one (a) the first spring and the second spring or (b) the first damper and the second damper extends between a housing of the transaxle and the rear tractive assembly. a rear frame assembly having one or more upper interfaces and one or more lower interfaces, the one or more upper interfaces configured to detachably couple to a rear end of a passenger capsule of a military vehicle, the one or more lower interfaces configured to detachably coupled to a bottom of the passenger capsule; a bed supported by the rear frame assembly; a rear tractive assembly; a transaxle supported by the rear frame assembly, the transaxle coupled to the rear tractive assembly, the transaxle configured to couple to a prime mover and a front differential of the military vehicle; and a rear suspension system including a first spring, a second spring, a first damper, and a second damper, wherein at least one (a) the first spring and the second spring or (b) the first damper and the second damper extends between a housing of the transaxle and the rear tractive assembly.

Google Patents

https://patents.google.com/patent/US12728825

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12728825