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Offi cial Supplier of Turf CareMaintenance Equipment
PROUDMEMBER
The Offi cial Turf Equipment Supplier to The PGA of America and The Exclusive Turf
Equipment Supplier to PGA Golf Properties.This information was correct at the time it was printed. Information is subject to change without notice.© January 2009, Jacobsen, A Textron Company. All rights reserved. 4199780/750/CG/REV#1/JAN2009 1.888.922.turf or www.jacobsen.com
EngineType Kubota® V2203-M, 4-cylinder, liquid-cooled diesel Displacement 134.1 cu. in. (2.2 L) Horsepower 44.6 hp (33.3 kw) @ 2600 RPMTorque 105.6 lbs.-ft. @ 1600 RPMAir Cleaner Dry type Cyclopac air cleaner with restriction indicator light Cooling Pressurized, sealed cooling system; coolant capacity: 8 qt. (7.6 L)Lubrication Fully pressurizedOil Filter Full-fl ow, replacement spin-on typeElectrical System 45 amp alternator with 12V 750 CCA battery, circuit breakers, fusesEstimated Field Fuel Consumption(ISO std. test)
2.40 gal./hr (9.08 L/hr) @ 90% or max. output
Fuel Capacity 20 gal. (75.7 L)
Traction & Drive SystemTraction System Hydrostatic, closed-loop system; variable-displacement piston pump; fi xed-displacement piston motor to front positraction
differential axle with integral gear reduction; motors on rear wheel electro-hydraulically engage/disengage for selectable two or four-wheel drive.
Deck Drive Hydraulic motors with integral bearings; self-lubricatingHydraulic System 17 gal. (64.3 L) reservoir; o-ring face seal fi ttings; charge and return fi lters; suction screen at tank; oil cooler; diagnostic test ports
Tires, Brakes & SteeringTires Front Tires: 26 x 12-12, tubeless, 6-ply rated / Rear Tires: 23 x 10.5-12, tubeless, 4-ply ratedBrakes Dynamic braking from transmission; mechanical disc brakes on front wheels Steering Tilt Wheel: Hydrostatic with rear wheel steering Transport Speed 2WD: 0-14.9 mph (0-24.0 km/h) / 4WD: 0-7.8 mph (0-12.6 km/h) Mow Speed 0-7.7 mph (0-12.4 km/h) Reverse 2WD: 0-6 mph (0-9.6 km/h) / 4WD: Locked Out
Decks & Cutting UnitsDecks One 64 in. (1.62 m) full-fl oating front deck; Two 42 in. (1.07 m) full-fl oating wing decksConstruction 10 gauge steel w/reinforcing plates, ribs, bumpersCaster Wheels 4 x 11 pneumatic tiresCutting Unit Lift Hand operated, individual lever controlled hydraulic lift system Weight Transfer Hydraulic weight transfer - adjustable at operator controlsBlades/Decks Seven 23 in. (58 cm) Low Noise, Low LiftMotor/Spindle Hydraulic motors with integral self lubricating bearings on each blade Height-of-Cut 1-5.5 in. (24.5-139.7 mm) Overall Cutting Width 134 in. (3.4 m) Cutting Time Productivity 10.4 acres per hour (4.2 ha/hr) @ 7.7 mph (12.4 km/h) Fuel Productivity 4.33 acres/gal. (0.46 ha/L )Run Time per Tank 8.33 hrs.
Weight & DimensionsWeight - 3,970 lbs. (1,801 kg) Seat - Grammar air suspension seat Length - 144 in. (3.66 m) Wheelbase - 67.8 in. (1.72 m) Height - ROPS Up 84 in. (2.13 m) / ROPS Folded Down 63.5 in. (1.61 m ) Width - 139 in. (3.53 m) ; Transport 93.5 in. (237 cm)
JACOBSEN® R-311™ SPECIFICATIONS R-311™
Call your local dealer for information or a demonstration. Discover all the ways Jacobsen® is working to deliver what you need to
make your life easier. To fi nd your local authorized Jacobsen dealer, go to www.jacobsen.com and click on dealer locator.
Professional Grade Commercial Applications
• Sports Fields
• Parks
• Institutional Grounds
• Golf Course Roughs
• Roadside Areas
Proven to handle the toughest of commercial applications.
The Jacobsen® R-311™ Wide Area Rotary Mower is a cost-effective mowing solution for challenging turf found at sports
fi elds, parks, institutional grounds, golf course roughs and roadside areas. Reliable and easier to maintain, the R-311
is ergonomically designed to enhance the entire operator experience.
Outstanding Reliability
Unlike other wide area mowers that rely on pulleys and belt drives that can break, slip or need
constant adjustment, the R-311 features commercial-duty hydraulic motors that individually
power each blade. Fewer wear parts means less downtime. Uptime is further optimized
because routine service and maintenance is quick and easy. A few examples: the hood folds
back, allowing unrestricted access to the engine compartment; the front deck fl ips up for easy
cleaning, blade inspection and greasing; and the seat pan fl ips up or can be removed to access
the hydraulics. Superior reliability and uptime are what the R-311 is all about.
Comfort and Safety
The R-311 is designed with both comfort and safety in mind. An ergonomic cockpit has all
controls within close reach of the operator; the controls and foot pedals are intuitive for ease
of use; the console also features a convenient storage area, a cup holder and charging outlet
for a radio or cell phone. The standard air-ride suspension seat cradles the operator and is
positioned for greater visibility and ease of adjustment. A new foldable ROPS provides easy
access to low height areas like covered trailers or sheds, and also allows mowing under low
hanging branches. All-day operator comfort and confi dence heightens the R-311’s productivity.
Exceptional Cutting Performance
Integrated into the design of the R-311 are numerous Jacobsen components that have long
proven to be the industry standard for professional cutting performance. Newly designed
elements have also been incorporated, like beveled blades that effortlessly slice through the
tallest, thickest grass. These blades create a beautifully manicured result, while requiring less
power. They also help to lower fuel consumption and noise levels, which benefi ts the owner,
the operator and the surrounding environment.
Lower Cost of Ownership
The beveled blades plus the hydraulic and mechanical drive train systems working in combination
reduce fuel consumption, decrease noise pollution and deliver more cutting power—that’s
what owners need. The commercial-duty reliability and ease of maintenance greatly reduce
downtime—that’s what technicians want. The ergonomic and safety features enhance comfort
and elevate productivity—that’s what operators appreciate. Bottom line: The R-311 is one
outstanding and cost-effective rotary mower.
COST-EFFECTIVE
SOLUTION
y.
A new foldable ROPS provides easy access to low height areas like covered trailers or sheds, and also allows mowing under low hanging branches.
Commercial-duty hydraulic motors drive each individual blade, which reduces downtime because there
are no drive belts to break, stretch under load, adjust or maintain.
New limited slip front axle and larger capacity hydraulic
axle drive motor deliver more hill-climbing ability, making it
easier and safer to navigate diffi cult terrain. The higher
effi ciency also contributes to the improved fuel economy.
The beveled blades plus the hydraulic and mechanical drive train systems working in combination reduce fuel consumption and decrease noise pollution, while delivering more cutting power.
Cockpit is ergonomically designed to maximize operator comfort,
which in turn elevates productivity over the course of a long workday.
Front deck fl ips up for easy cleaning, blade
inspection and greasing.
Operator controls and foot pedals are intuitive for ease of use.
Air-ride suspension seat cradles the operator in comfort and is positioned for greater visibility and ease of adjustment.
JACOBSEN® R-311™