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The Case 70XT skid steer represents a transitional period in the evolution of compact loaders, when manufacturers were shifting from purely mechanical control systems to hybrid mechanical‑electronic designs. This model, part of Case’s XT series, became popular for its reliability, straightforward maintenance, and strong hydraulic performance. However, because Case offered multiple control configurations, owners of used machines often encounter confusion about auxiliary hydraulic controls, especially when joysticks include switches that appear functional but are not connected to the installed hydraulic system.
Understanding how the auxiliary system was configured from the factory is essential for diagnosing control issues and determining whether a conversion from foot‑operated to hand‑operated auxiliary control is feasible.
Development Background of the Case XT Series
Case introduced the XT series in the early 2000s as an upgrade to the 1800 series. The goal was to modernize the operator environment while retaining the rugged mechanical simplicity that made Case skid steers popular among contractors, farmers, and landscapers.
Key improvements included:
Auxiliary Hydraulic System Variants
The Case 70XT could be ordered with different auxiliary hydraulic configurations. These variations are the source of most confusion when owners acquire used machines.
Terminology notes:
Why Some Joysticks Have Toggles That Do Nothing
Case used standardized joystick housings across multiple models and option packages. This meant that a joystick might include:
This explains why some owners find a toggle switch on the joystick that does not activate the auxiliary hydraulics.
Mechanical vs. Electric Auxiliary Control
Machines equipped with the mechanical foot pedal use a cable‑operated auxiliary valve. This valve is physically shifted by the pedal, with no electrical components involved. Because the valve body is different from the electric version, the joystick toggle cannot operate it.
Machines equipped with the electric auxiliary system use a three‑spool loader control valve with integrated solenoids. The joystick toggle sends an electrical signal to the solenoids, which shift the auxiliary spool.
These two systems are not interchangeable without significant modification.
Converting from Foot Pedal to Joystick Control
Many operators prefer joystick‑mounted auxiliary control because it allows smoother operation of attachments and eliminates the awkwardness of using a foot pedal. However, converting a mechanical system to an electric one is not a simple plug‑and‑play process.
A proper conversion requires:
For most owners, the cost and complexity outweigh the benefits unless the machine is used heavily with hydraulic attachments.
High‑Flow Considerations
High‑flow hydraulic systems on the 70XT used an electrically controlled auxiliary valve. Machines without high‑flow typically used the mechanical valve unless ordered with the electric control package.
A machine without a case drain port almost certainly does not have high‑flow, reinforcing the likelihood that it uses a mechanical auxiliary valve.
Field Experiences and Operator Stories
Operators who used both systems often describe the mechanical foot pedal as functional but inconvenient. One contractor recalled operating a 70XT with a mechanical pedal while running a hydraulic auger on uneven terrain. Each time he shifted his weight, the pedal moved slightly, causing unintended hydraulic flow. When he later upgraded to a joystick‑controlled machine, the difference in precision was dramatic.
Another operator shared that his rental fleet included both configurations. Newer employees consistently preferred joystick control, while older operators—accustomed to mechanical systems—found the foot pedal acceptable. This generational divide reflects the broader industry shift toward electronic controls.
Case Company Background
Case Construction Equipment, founded in the 19th century, became one of the earliest manufacturers of steam engines and agricultural machinery. By the late 20th century, Case had established itself as a major player in the construction equipment market, particularly in skid steers and backhoes. The XT series helped Case maintain strong sales during a period of intense competition from Bobcat, Caterpillar, and New Holland.
Case’s reputation for durable, serviceable machines contributed to the long‑term popularity of the 70XT, which remains common on farms, small construction sites, and rental yards.
Practical Recommendations
The Case 70XT’s auxiliary control system varies depending on how the machine was originally ordered. While some joysticks include toggle switches, these switches may not be connected unless the machine has the electric auxiliary package. Converting from mechanical to electric control is possible but requires extensive modification. Understanding the machine’s configuration helps owners make informed decisions about repairs, upgrades, and attachment compatibility.
Understanding how the auxiliary system was configured from the factory is essential for diagnosing control issues and determining whether a conversion from foot‑operated to hand‑operated auxiliary control is feasible.
Development Background of the Case XT Series
Case introduced the XT series in the early 2000s as an upgrade to the 1800 series. The goal was to modernize the operator environment while retaining the rugged mechanical simplicity that made Case skid steers popular among contractors, farmers, and landscapers.
Key improvements included:
- Redesigned operator cab with better visibility
- Updated hydraulic systems with higher flow options
- Multiple control packages, including mechanical foot controls and electric‑over‑hydraulic joystick options
- Improved loader arm geometry for better breakout force
Auxiliary Hydraulic System Variants
The Case 70XT could be ordered with different auxiliary hydraulic configurations. These variations are the source of most confusion when owners acquire used machines.
Terminology notes:
- Auxiliary hydraulics: Additional hydraulic circuits used to power attachments such as augers, grapples, trenchers, and brooms.
- Mechanical auxiliary valve: A valve operated by a cable or linkage, typically controlled by a foot pedal.
- Electric‑over‑hydraulic control: A system where electrical switches activate solenoids that shift hydraulic valves.
- High‑flow hydraulics: An optional system providing increased hydraulic output for demanding attachments.
- A mechanical foot pedal operating a cable‑driven auxiliary valve
- An electric joystick toggle operating an integrated solenoid‑controlled auxiliary spool
Why Some Joysticks Have Toggles That Do Nothing
Case used standardized joystick housings across multiple models and option packages. This meant that a joystick might include:
- A toggle switch
- Two auxiliary buttons
- Wiring channels
This explains why some owners find a toggle switch on the joystick that does not activate the auxiliary hydraulics.
Mechanical vs. Electric Auxiliary Control
Machines equipped with the mechanical foot pedal use a cable‑operated auxiliary valve. This valve is physically shifted by the pedal, with no electrical components involved. Because the valve body is different from the electric version, the joystick toggle cannot operate it.
Machines equipped with the electric auxiliary system use a three‑spool loader control valve with integrated solenoids. The joystick toggle sends an electrical signal to the solenoids, which shift the auxiliary spool.
These two systems are not interchangeable without significant modification.
Converting from Foot Pedal to Joystick Control
Many operators prefer joystick‑mounted auxiliary control because it allows smoother operation of attachments and eliminates the awkwardness of using a foot pedal. However, converting a mechanical system to an electric one is not a simple plug‑and‑play process.
A proper conversion requires:
- Replacing the mechanical auxiliary valve with an electric solenoid‑controlled valve
- Adding wiring harnesses
- Installing relays and control modules
- Ensuring compatibility with the machine’s existing loader valve
- Verifying joystick switch functionality
For most owners, the cost and complexity outweigh the benefits unless the machine is used heavily with hydraulic attachments.
High‑Flow Considerations
High‑flow hydraulic systems on the 70XT used an electrically controlled auxiliary valve. Machines without high‑flow typically used the mechanical valve unless ordered with the electric control package.
A machine without a case drain port almost certainly does not have high‑flow, reinforcing the likelihood that it uses a mechanical auxiliary valve.
Field Experiences and Operator Stories
Operators who used both systems often describe the mechanical foot pedal as functional but inconvenient. One contractor recalled operating a 70XT with a mechanical pedal while running a hydraulic auger on uneven terrain. Each time he shifted his weight, the pedal moved slightly, causing unintended hydraulic flow. When he later upgraded to a joystick‑controlled machine, the difference in precision was dramatic.
Another operator shared that his rental fleet included both configurations. Newer employees consistently preferred joystick control, while older operators—accustomed to mechanical systems—found the foot pedal acceptable. This generational divide reflects the broader industry shift toward electronic controls.
Case Company Background
Case Construction Equipment, founded in the 19th century, became one of the earliest manufacturers of steam engines and agricultural machinery. By the late 20th century, Case had established itself as a major player in the construction equipment market, particularly in skid steers and backhoes. The XT series helped Case maintain strong sales during a period of intense competition from Bobcat, Caterpillar, and New Holland.
Case’s reputation for durable, serviceable machines contributed to the long‑term popularity of the 70XT, which remains common on farms, small construction sites, and rental yards.
Practical Recommendations
- If the machine has a mechanical foot pedal, assume the joystick toggle is inactive.
- Inspect the auxiliary valve to confirm whether it is mechanical or electric.
- Do not attempt conversion unless comfortable with hydraulic and electrical modifications.
- For heavy attachment use, consider upgrading to a machine with factory electric auxiliary controls.
- Keep the mechanical cable lubricated to maintain smooth pedal operation.
- Verify whether the machine has high‑flow before purchasing attachments that require it.
The Case 70XT’s auxiliary control system varies depending on how the machine was originally ordered. While some joysticks include toggle switches, these switches may not be connected unless the machine has the electric auxiliary package. Converting from mechanical to electric control is possible but requires extensive modification. Understanding the machine’s configuration helps owners make informed decisions about repairs, upgrades, and attachment compatibility.
