10/13/2026
ACK12-0092
Balderson Old-Style Hook & Pin (Rylind Style)Heavy Duty Wheel Loader Pallet Forks
With single cylinder fork positioner.
23.5" Balderson Old-Style Hook & Pin Lugging
Description:
Heavy-duty construction-grade wheel loader pallet forks featuring a Balderson Old-Style Hook & Pin (Rylind Style) configuration. These are built for mid-to-large Class 50 / Class 60 heavy equipment.
Exact Lugging & Pin Dimensions:
• Coupler Fitment Style: Balderson Old-Style / Rylind Type
• Horizontal Center-to-Center Spacing: 23.5 inches
• Inside Lugging Clearance Width: 18.5 inches
• Vertical Hook-to-Pin Spacing (Center to Center): 24.5 inches
• Top Hook Throat Diameter: 4.0 inches (designed for a 4" top cross tube)
• Bottom Pin Hole Diameter: 2.2 inches (engineered clearance for a standard 2.0" locking pin)
Compatible Equipment Categories:
Fits mid-sized to heavy wheel loaders outfitted with a 23.5" Balderson-style wedge lock master coupler, including:
• Caterpillar (CAT): 936, 950, and 962 series (E, F, G, H, K, and M generations)
• John Deere: 544, 624, 644, and 724 series models
• Case: 621, 721, and 821 series
• Komatsu: WA250, WA320, WA380, and WA400 series
• Note to buyers: Please physically measure your machine's quick-attach adapter board to verify horizontal 23.5" hook layout prior to inquiry. Does NOT fit JRB, Volvo, or Euro/Global-style loaders.
On single-cylinder or asymmetric fork positioner systems (such as those configured on certain heavy-duty Bateman Manufacturing Fork Racks), the mechanism works by physically linking or capturing the second tine using the movement of the first.
Because there is only one hydraulic cylinder directly attached to one of the forks (the "primary" or "master" tine), the secondary ("slave") tine unlocks and moves through a mechanical mechanical lock-and-tow process:
1. Unlocking the Second Tine
In these configurations, the secondary tine typically sits locked in a fixed position on the rail by a spring-loaded locking pin or a gravity-drop latch located at the top of the fork profile. This lock prevents the fork from sliding freely during normal lifting operations.
To unlock it without manual intervention from the operator:
• The hydraulic cylinder drives the primary tine directly toward the secondary tine.
• As the primary tine approaches, a mechanical trip mechanism (a ramp, wedge, or pusher bar built onto the carriage or the master fork) physically presses against the spring latch or unseating pin of the secondary tine.
• Once fully depressed by the primary fork’s close proximity, the secondary tine is released from its carriage notch.
2. Moving the Second Tine
Once the secondary tine is unlocked, the primary tine takes over its movement through a tow or push interface:
• Spreading wide: When widening the forks, a hook, catch, or linked slide bracket on the primary fork catches the secondary fork's carrier, "towing" it along the carriage rail to the desired wide position.
• Closing narrow: When narrowing the forks, the primary fork physically pushes the secondary fork inward along the rail.
When the hydraulic control is reversed or stopped at a designated indexing slot, the trip mechanism disengages, causing the spring-loaded locking pin to snap back down into the nearest detent on the carriage bar, securing the secondary tine firmly in its new home.
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