The GK 500 series by Jacobsen® includes the 518, good for undulating turf, the 522, and the 526 for increased productivity on flat greens and tees. This durable, reliable walking greens mower comes standard with Jacobsen’s legendary quality of cut.

  • InCommand™ Control System – Features user-friendly D-handle with variable speed control and more functional operator presence controls
  • Precision Balanced – Precisely balanced for true, straight-line tracking.
  • Optional Turf Groomer® – Improves turf conditions through three-dimensional mowing
  • Durable Centrifugal Clutch – Engages easily for smooth operation with no adjustments required. Quiet belt drive system uses no oils, eliminating leaks on your green.
TECHNICAL SPECIFICATIONS
  GK 500
ENGINE 
Type Honda® GX-120 gas engine
Horsepower* 4 hp (2.9 kw)
Maximum Torque 5.4 ft. lbs 7.5 Nm
Fuel Capacity .66 gal. (2.5 L)
TRACTION AND DIFFERENTIAL
Reel Drive Belt Drive
Drive Clutch Centrifugal
Traction Reduction Ratio 21.8:1
Operator Presence Control Standard; Controls reels and traction drive
Differential Full automotive type, housed in traction drum
Reel Drive Drum Aluminum Alloy
Mowing Speed 3.2 mph (5.14 km/h)
REELS AND BLADES
Reel Reduction Ratio 1.67:1
Reel Bearings Spring-loaded, tapered roller
Number of Blades 15 (7 on GK 526)
Blade Material Hardened high carbon steel
Cutting Frequency 15 blade: .123 in. (3.1 mm) 7 blade: .25 in. (6.3 mm)
Side Frame Material Aluminum alloy
WEIGHT AND DIMENSIONS
Weight GK 518: 196 lbs. (88.9 kg)
GK 522: 212 lbs. (96.2 kg)
GK 526: 230 lbs. (104.3 kg)
Height-of-cut GK 518 and 522: .062 in. – .438 in. (1.6 mm – 11.1 mm)
GK 522: .062 in. – 1.25 in. (1.6 mm – 31.8 mm)
Width-of-cut GK 518: 18 in. (45.7 cm)
GK 522: 22 in. (55.9 cm)
GK 526: 26 in. (66.1 cm)

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