Apopka, Florida // Engineering & Manufacturing // Est. 2004

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One cart, four engine positions

C-130 Engine Change Cart

In 2018 JE worked directly with U.S. Air Force maintainers at Patrick Air Force Base to develop a purpose-built tooling cart for one of the most complex maintenance tasks in the C-130 fleet.
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Project record
In service
Since 2018
in continuous field use
Developed Patrick AFB, 2018
Now in use Savannah Air National Guard
Task C-130 engine change
  • Developed at Patrick AFB, 2018
  • In use at Savannah Air National Guard
  • Designed from maintainer interviews
  • Engine change, staging through execution
01
The challenge

Tools in Four Places Instead of One

C-130 engine change procedures require specialized tools — including propeller removal equipment — often stored across multiple locations, creating lost time, disorganized workflows, and inconsistent setup across crews and shifts.
Tool staging // before and after SCATTERED → ONE CART
Before Tools across multiple locations
Bay A Bay B Store Truck
After One cart at the point of use
JE cart Engine bay
Tooling stored away from the job JE cart — everything at the point of use
Every tool gets a defined location, so a crew can see what is missing before the job starts — and after it ends.

Constraint 01

Scattered Tooling

Required tools stored across multiple locations rather than centralized.

Constraint 02

Inconsistent Crew Setup

Workflow varied shift to shift without a standardized system.

Constraint 03

Accountability Risk

Increased chance of missing or misplaced equipment during time-sensitive tasks.
02
The solution

Designed From Maintainer Interviews

Through direct engagement and end-user interviews at Patrick Air Force Base, JE identified the specific inefficiencies in tooling storage and staging, then engineered a dedicated cart to support the full engine-change workflow from staging through execution.
Each constraint answered by a design decision

Constraint 01

Required tools stored across multiple locations rather than centralized.

Design decision

Centralized Tooling Organization

Structured layout housing all required tools in one location.

Constraint 02

Workflow varied shift to shift without a standardized system.

Design decision

Heavy-Duty Casters & Forklift Tubes

Smooth mobility across hangars and flight lines, rapid repositioning.

Constraint 03

Increased chance of missing or misplaced equipment during time-sensitive tasks.

Design decision

Dedicated Propeller Removal Storage

Integrated, secure storage for specialized removal equipment.
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03
Operational impact

In Continuous Field Use Since 2018

Crews now arrive with tools organized and ready at the point of use, with defined storage locations ensuring accountability before and after each job — improvements reflected in continued active use years after deployment.

2018

Patrick Air Force Base

Developed through direct engagement and end-user interviews with U.S. Air Force maintainers.

Today

Savannah Air National Guard

In active use supporting ongoing C-130 engine change operations.

Kitted in advance

Reduced Setup Time

Tools pre-organized and ready at point of use.

Nothing missing

Improved Accountability

Defined storage locations for every tool.

Shift to shift

Consistent Execution

Standardized setup across all crews and shifts.
Developed with Air Force maintainers at Patrick AFB in 2018, the cart is currently in active use at the Savannah Air National Guard supporting ongoing C-130 engine change operations — a multi-year field-proven track record.
05
Technical & operational FAQ

Frequently Asked Questions

Q01

Where is this system currently in use?

The C-130 Engine Change Cart is currently in use at the Savannah Air National Guard, supporting ongoing C-130 maintenance operations.
Q02

How was the design developed?

JE conducted direct engagement and end-user interviews with U.S. Air Force maintainers at Patrick Air Force Base in 2018 to identify real tooling and workflow inefficiencies before designing the cart.

Let's Turn Your Requirements Into a Solution

Have a maintenance task your crews work around rather than through? Start with what the maintainers say, not the tool list.
Engine changeCarts built for the engine, not the hangar.
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