R-311T


The R-311T™ rough mower by Jacobsen® is a cost-effective mowing solution for challenging turf found at sports fields, parks, institutional roughs and roadside areas. Reliable and easier to maintain, the R-311T is ergonomically designed to enhance the entire operator experience.

  • Superior Reliability and Uptime - All hydraulic-driven motors on cutting decks, fewer wear parts and easy access to the engine, blades and hydraulic system make the R-311 easy to maintain
  • Superior Operator Comfort - Grammer™ air suspension seat, ergonomic cockpit, storage area, cup holder and charging outlet were all designed with operators in mind.
  • Individual Deck Control - Individual control allows you to operate each deck independently making it easy to trim in tight spots.
  • Operator Safety - Standard foldable ROPS keeps operators safe and allows mowing in low-height areas and access to covered trailers and sheds.
  • Please Note: Due to legislation requiring technical manuals to be printed in multiple languages, this product may not currently be available for purchase in all non-English speaking countries.  Please contact your nearest distributor or Contact Us for full details.

R-311T


Dimensions: US | METRIC

Type
Kubota® V2403-M-T, 4-cylinder, liquid-cooled turbocharged diesel engine
Displacement
148 cu. in.
Rated Power
59.0 hp maximum, 55.9 hp @ 2600 rpm
Peak Torque
120.7 lbs-ft @ 1800 rpm
Air Cleaner
Dry type Cylcopac air cleaner with restriction indicator light
Cooling System
Pressurized, sealed cooling system; coolant capacity 8 qt.
Lubrication
Fully pressurized
Fuel Consumption
3.50 gal./hr. at max engine loading
Fuel Capacity
20 gal.
Oil Filter Type
Full-flow, replaceable spin-on remote type
Electrical System
45 amp alternator with 12V 750 CCA battery, circuit breakers, fuses
Cutting Time Productivity
10.4 acres per hour at 7.7 mph
Run Time per Tank
5.7 hours
Mowing
7.7 mph
Transport
2WD: 14.9 mph
4WD: 7.8 mph
Reverse
2WD: 6 mph
4WD: Locked out
Traction System
Hydrostatic, closed-loop system; variable-displacement piston pump; fixed-displacement piston motor to front limited slip 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-lubricating
Hydraulic System
17 gal. reservoir; o-ring face seal fittings; charge and return filters; suction screen at tank; oil cooler; diagnostic test ports
Hydraulic Cooling
Hydraulic oil cooler
Front Tires
26 x 12-12, tubeless, 6-ply rated
Rear Tires
23 x 10.5-12, tubeless, 4-ply rated
Service Brakes
Dynamic braking from transmission; mechanical disc brakes on front wheels
Parking Brake
Foot operated disc brakes
Steering
Tilt Wheel: Hydrostatic rear wheel steering
Number and Size
One 64 in. full-floating front deck;
Two 42 in. full-floating wing decks
Construction
10 gauge steel with reinforcing plates, ribs, bumpers
Caster Wheels
4 x 11 pneumatic tires
Cutting Unit Lift
Hand operated, individual lever controlled hydraulic lift system
Weight Transfer
Hydraulic weight transfer - adjustable at operator controls
Blades
Seven 23 in., Low Noise, Low Lift
Motor/Spindle
Hydraulic motors with integral bearings; self-lubricating
Height of cut
1 - 5.5 in.
Overall Cutting Width
134 in.
Weight
3974 lbs.
Length
144 in.
Height
ROPS Up: 84 in.
ROPS Down: 63.5 in.
Wheelbase
67.8 in.
Width
139 in.
Transport Width
93.5 in.

R-311T


Language/Country:

Recommended Parts List
Parts Manuals Product Code Serial Prefix Notes Publication No.
Parts & Maintenance Manual 69166, 69167 4192121
Engine Parts Manual 4192126
Parts & Maintenance Manual 69171 4227700
Owner's Manuals Product Code Serial Prefix Notes Publication No.
Safety & Operation Manual 69166, 69167 4192120
Safety & Operation Manual 69171 4227680
Service Manuals Product Code Serial Prefix Notes Publication No.
Technical/Repair Manual 69166 4203781
Technical/Repair Manual 69171 4234520 Part 1 of 5
Technical/Repair Manual 69171 4234520 Part 2 of 5
Technical/Repair Manual 69171 4234520 Part 3 of 5
Technical/Repair Manual 69171 4234520 Part 4 of 5
Technical/Repair Manual 69171 4234520 Part 5 of 5
Installation Manuals Product Code Serial Prefix Notes Publication No.
Dealer Manual 69166, 69167 4192123-GB
Dealer Manual 69171 4227720

R-311T


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United Kingdom

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R-311T Data Sheet