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Turning Diameter

Turning Diameter

What happens to your turning diameter once Quigley installs your Independent Front Suspension (IFS) 4×4 system?  You actually get a small improvement. The diagram on this page illustrates how turning diameter is calculated, and the table shows that for a given...
Towing Specifications

Towing Specifications

NOTE: GCWR is defined as the Gross Combination Weight Rating, which is the total combined weight of the trailer and vehicle (with full fuel) including all passengers and vehicles. NOTE: The trailer tongue weight should be 10-15% of the total loaded trailer weight....
Instructions for IFS 4×4 System

Instructions for IFS 4×4 System

The Quigley Transit 4×4 Independent Front Suspension (IFS) vehicles utilize front automatic locking hubs. This 4×4 system is devoid of either manual lock-out hubs. Instead, the differential engages the front axle halves into the 4-wheel drive application...
Maintenance Schedules

Maintenance Schedules

Lubrication, Inspection and Routine Maintenance for Transit 4×4 Vans To prolong the life of any vehicle it is important to perform what is commonly referred to as either “preventative” or “routine” maintenance.  This is also performed to...
Angles of Importance

Angles of Importance

There are a few angles that are important to customers who use their 4x4s for off-road adventures. These angles are called approach, breakover, and departure. Such measurements can be of use if the vehicle is to be transported or used in rough terrain that involves...
Manufacturing & Engineering

Manufacturing & Engineering

Engineered to meet your needs, our four-wheel-drive system’s design is the cornerstone of our business. We can offer you the value and performance of our proven O.E.M. four-wheel-drive system for the new Ford Transit full-size vans. Quigley incorporates a vast...