| Dual Adjustable Pulley | Cable Two independent weight stacks | Biceps, triceps, forearms, shoulders | Adjustable pulley height, independent arms, multiple cable angles | Approximately 2 × 2–20 weight-stack units; commonly adjustable in small increments | About 1.5–2.5 m wide × 0.8–1.2 m deep | Functional training areas and personal-training zones | Supports unilateral, bilateral, vertical, horizontal, and rotational arm exercises |
| Single Adjustable Cable Column | Cable One selectorized weight stack | Biceps, triceps, forearms, rear shoulders | Height-adjustable pulley, interchangeable handles, adjustable bench compatibility | Usually about 60–120 kg of selected stack resistance, depending on the unit | About 0.8–1.2 m wide × 0.8–1.2 m deep | Small commercial gyms and compact strength areas | Offers controlled constant-tension curls, pushdowns, extensions, and rows |
| Cable Crossover Station | Cable Two opposing cable stacks | Biceps, triceps, forearms, shoulders, chest | Adjustable pulleys on both columns, multiple attachment points | Commonly about 60–100 kg per side; resistance varies with pulley ratio | About 2.5–3.5 m wide × 0.8–1.2 m deep | High-traffic commercial gyms and group training spaces | Allows simultaneous or alternating arm work from many angles |
| Preacher Curl Machine | Plate-loaded Lever arm and weight plates | Biceps and brachialis | Adjustable seat or arm pad, rotating or fixed handles | Often accepts standard or Olympic plates; practical loads commonly reach 50–100 kg | About 0.8–1.2 m wide × 1.0–1.4 m deep | Dedicated arm-training sections | Stabilizes the upper arm and limits swinging during curling movements |
| Seated Biceps Curl Machine | Selectorized Cam and weight stack | Biceps and brachialis | Adjustable seat, elbow pad position, range-of-motion limiter | Typically about 40–100 kg of selected stack resistance | About 0.9–1.1 m wide × 1.0–1.3 m deep | General-purpose commercial strength floors | Provides guided resistance and consistent elbow positioning |
| Triceps Press Machine | Selectorized Cam and weight stack | Triceps, with secondary shoulder involvement | Adjustable seat, handles, chest or back support, range limiter | Typically about 40–100 kg of selected stack resistance | About 0.9–1.2 m wide × 1.0–1.4 m deep | Strength circuits and beginner-friendly resistance areas | Provides a stable pressing path and reduces unwanted body movement |
| Plate-Loaded Arm Press | Plate-loaded Independent lever arms | Triceps, anterior shoulders, upper chest | Adjustable seat, independent handles, start-position adjustment | Commonly supports approximately 50–150 kg of plates, depending on the frame | About 1.0–1.4 m wide × 1.2–1.6 m deep | Heavy strength and performance-training facilities | Allows progressive overload with a stable, guided pressing motion |
| Cable Arm Curl and Extension Station | Cable Dedicated upper-body cable mechanism | Biceps and triceps | Adjustable seat, elbow pad, cable height, interchangeable attachments | Usually about 40–90 kg of selected stack resistance | About 0.9–1.3 m wide × 1.0–1.4 m deep | Gyms seeking a compact, dual-purpose arm station | Switches efficiently between curls, pushdowns, and extensions |
| Forearm and Wrist Curl Machine | Plate-loaded Lever arm or plate-loading peg | Wrist flexors, wrist extensors, grip muscles | Adjustable seat or forearm pad, handle position, range limiter | Common working loads range from about 5–40 kg | About 0.6–0.9 m wide × 0.7–1.0 m deep | Strength, combat-sports, climbing, and rehabilitation areas | Isolates wrist and forearm movement with limited shoulder compensation |
| Cable Rope Pushdown Station | Cable High pulley and selectorized stack | Triceps, especially the lateral and medial heads | Adjustable pulley height, rope or straight-bar attachments, optional support handles | Typically about 40–100 kg of selected stack resistance | About 0.8–1.2 m wide × 0.8–1.2 m deep | Compact gym layouts and accessory-training zones | Enables simple, scalable triceps work with a stable vertical cable path |