New Models

2019 Simplicity Cobalt 27/61 (5901597)


Cobalt 27/61 (5901597)



With a perfect combination of commercial features and residential comfort, the Simplicity Cobalt™ is the ultimate in zero turn mowing. Whether you mow the lawn around your business or home, the Cobalt Zero Turn Mower allows you to get the yard work done quickly, comfortably and beautifully. Plus, a 500 hour oil change interval with the Oil Guard™ System by Vanguard™ (select model) means oil-change-free mowing for up to 5 years*.

  • Vanguard™ 810 Engine: Redefining commercial mower efficiency the Vanguard™ 810 Engine with the Oil Guard™ System (select model) is the best engine for getting work done, reliably. Plus with a massive 500 hour or 5 year* oil change interval, your mower will spend more time mowing and less time in routine maintenance.
  • Controls: Every control is tailored to the demands of the professional landscaper: easy-to-use, conveniently located and extremely durable.
  • Commercial Transaxles: The ZT-4400™ transaxles are commercial engineered to deliver smooth, unmatched power and durability. Featuring cooling fans and a robust planetary gear reduction, this transaxle is designed for powerful machines.
  • Suspension: The Cobalt's 4-wheel suspension system reduces vibration to the chassis and operator, giving you a smoother ride at faster mowing speeds.
  • Fabricated Deck: An innovative grass cutting system has the center point offset, allowing for supreme cutting and excellent discharge leaving you with a superior cut. The reinforced leading edge provides protection where the mower deck needs it most.
  • Comfort: The deep cushioned 18-inch high-back seat, armrests and adjustable steering levers are built for convenient, comfortable operation.
  • Easy Zero Turn Maintenance: Turn the knob on the foot pan to gain access to the top of the deck when zero turn lawn mower maintenance is needed, allowing you can get back to the job quickly and easily.
  • Rear Bumper: Three steel bars wrap-around the rear of the zero turn protecting the mower engine and operating components from damage.
  • Model: 5901597
  • Engine Brand: Vanguard™
  • Start Type: Key
  • Cylinders: 2
  • Engine Displacement (cc): 810
  • Battery(cca): 350
  • Ground Speed-Fwd (mph): 0-10.0
  • Brake: Separate Lever
  • Front Tires (in): 13 x 6.5 - 6
  • Rear Tires (in): 24 x 12 - 12
  • Suspension: Front & Rear
  • Mower Deck Type: 10 Gauge Fabricated Steel
  • Height-of-Cut Positions: 16-Foot Assist
  • Blade Engagement: Electric PTO Switch
  • Anti-Scalp Wheels: 6 Front/Rear Roller
  • Steering: Twin Levers
  • Fuel Level Indicator: Standard Gauge / Left & Right Hand Console
  • Assembled Length (in): 82.5
  • Roll Over Protection (ROPS): Folding
  • Assembled Height (in): 71
  • Commercial Warranty (Product) **: 4-Years or 500 Hours, whichever occurs first
  • Fuel GaugeLocation: Standard Gauge / Left Hand Console
  • Marketing Model: 27/61
  • Engine Model: Big Block™ V-Twin
  • Power Rating *: 26.0
  • Choke/Throttle: Separate Choke & Lever
  • Fuel Tank Capacity (gal): 11 (Twin 5.5 Gallon Tanks)
  • Transmission Type: Hydro-Gear® ZT-4400®
  • Ground Speed-Rev (mph): 0-5.0
  • Frame: 11-Gauge Steel
  • Front Axle: Independent pivoting, 1.5 x 2 Welded Steel
  • Seat: 18 Premium Adjustable with Armrests
  • Cutting Width (in): 61
  • Height-of-Cut (in): 1.5-5
  • Number of Blades: 3
  • Mower Deck Removal: Frame Mounted
  • Spindle: Cast-Iron
  • Headlights: Optional
  • Cup Holder: Standard
  • Rear Bumper: Standard, Steel
  • Assembled Width (in): 78
  • Consumer Warranty (Product) **: 4-Years or 500 Hours, whichever occurs first
  • Fabricated Mower Deck Warranty **: Lifetime
*All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton. +50 lb (Courier™) or 100 lb (Contender™) capacity, do not overload; do not carry passengers. See operator's manual for details. **See operator's manual or dealer for complete warranty details. Length of engine warranty coverage varies by manufacturer. †Suggested prices will vary by market. Prices in U.S. dollars. Set-up, delivery, documentation, and destination fees not included. See dealer for details. Features vary by model. We reserve the right to change specifications, features and pricing without notice. Not all models available in California.



Engine Manufacturer
Horse Power
26.0 hp
Engine Type
Big Block™ V-Twin
810 cc


Hydro-Gear® ZT-4400®
Wheel Size
24 x 12 - 12 in.
Fuel Capacity
11 gal. (Twin 5.5 gal. Tanks)


Deck Size
61 in.


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