Designed for high pressure, high volume greasing, this lever action grease gun can easily clear blocked or damaged grease nipples.

Since 1948, Macnaught Grease Guns have been built to support the harsh Australian mining industry. Since then, our products have surpassed the toughest mining, automotive, trucking, marine, heavy equipment, municipal & aviation lubrication shop expectations – globally. Flexigun, Levergun and Grease Transfer Pump models available. All of our grease guns carry the industry’s longest warranty – 10 years. For the very best cost of ownership, Macnaught grease guns will provide years of trouble-free service – we guarantee it!

KY+ Safety Grease Coupler – True One Handed Design

Macnaught’s patented release mechanism delivers enhanced safety and is both easier and faster to use. The KY+ retains the benefit of the original floating jaw design, providing a strong, leak-free connection while improving safety and usability. 2 year warranty

Macnaught k40-01 Features and Benefits

• Industry Leading 10-Year Warranty
• KY Supergrip three-jaw high-pressure coupler – Positive no leak connection
• Heavy-duty, stepped barrel for long service and easy grip
• Robust zinc handle
• Filler Bleeder opens by hand with no tools
• Screw fasteners for easy servicing – no rivets
• Machined barrel threads screw on easily to head
• Lock the plunge rod into the follower for easier bleeding

Macnaught KY+ Safety Grease Coupler Features and Benefits

• Click on-and-off connection reduces hydraulic bind and high pressure.
• Quick & easy locking grease gun coupler release mechanism: Patent pending* smart release mechanism enables effortless one handed click on and click off release up to 10,000psi.
• Original KY floating jaw: Unique floating jaw operation creates a powerful grip as pressure builds to enhance performance.
• Compact design: The compact body of the KY+ makes it easier to get into tight spaces.
• Superior safety: Smart release mechanism features an internal bleeding system for soft pressure relief and safe disconnect.
• Industry’s best grease gun coupler
• 2 year warranty

Macnaught K40-01 Specifications

Macnaught KY+ Safety Grease Coupler Specifications

Macnaught K40-01 Data Sheet ( PDF )
Macnaught K40-01 Levergun Instruction Manual ( PDF )
Macnaught KY+ Safety Grease Coupler Data Sheet:( PDF )
Macnaught KY+ Safety Grease Coupler Instruction: ( PDF )

Macnaught Cap Removal Instructions  (VIDEO)
Macnaught Grease Cartridge Installation  (VIDEO)