The AR-522™ rotary mower by Jacobsen® couples the improved class-leading performance of the AR-5™ with our revolutionary new TrimTek™ cutting decks. It is ideal for intermediate golf course roughs, green and tee surrounds and can also be used in regularly maintained sports turf and park and recreation environments.

  • Revolutionary New TrimTek Deck – Exclusive downdraft blade keeps clippings suspended longer for exceptional mulching results.
  • Three-tiered Discharge Opening – Exclusive design distributes clippings more evenly for a superior after-cut appearance.
  • Increased Deck Volume – Allows the AR-522 to cut in more severe conditions.
  • Best-In-Class Traction Capability – On-demand control from the operator station.
  • Superior Climbing Performance – More horsepower per width-of-cut than any mower in its class coupled with the new and improved decks and climbing system. Easy to Use – Converts from discharge to mulch in minutes with a single wrench
TECHNICAL SPECIFICATIONS
  GP400 Diesel 
ENGINE  
Type Kubota® V2403-M-T 4-cylinder,

turbocharged, liquid-cooled diesel

Horsepower* 59.0 hp (44.0 kW)
Displacement 148.5 cu. in. (2434 cc)
Air Cleaner 2-stage Donaldson® dry cartridge

type with evacuator valve and service
indicator

Cooling System Side-by-side radiator/hydraulic

oil cooler; pressurized; 8 qt. (7.6 L)

capacity

Lubrication Fully pressurized with remote

engine oil cooler

Fuel Capacity 17 gal. (64.4 L)
Oil Filter Type Full-flow, replaceable spin-on

remote type

Electrical System 12V input/output controller;

40-amp

alternator; 600 CCA battery

SPEED (MAXIMUM)
Mowing 7.0 mph (11.3 km/h)
Transport 10 mph (16.1 km/h)
Reverse 5 mph (8.1 km/h)
TRACTION AND DRIVE
Traction System Parallel-series full-time 4WD;

variable displacement, servo-controlled

hydro; four high-torque wheel motors,

on-demand hydraulic 4WD valve,

reverse autoshift to 2WD

Deck Drive 2-section pump and direct-cooled

deck motors

Hydraulic System 14 gal. (53 L capacity; hydraulic

oil monitor and horn alarm;

GreensCare biodegradable fluid;

full-flow, 10-micron filter

Hydraulic Cooling Side-by-side radiator/hydraulic oil

cooler; pressurized; 0.3 gal. (1.1 L)
capacity, 14 gpm

TIRES, BRAKES AND STEERING
Front Tires Two 26.5 x 14-12, 6-ply turf tread
Rear Tires Two 22.5 x 10-8, 4-ply turf tread
Service Brakes Dynamic braking from transmission;

mechanical disc brakes on front wheels

Parking Brake Foot operated disc brakes
Steering Hydrostatic power steering

with tilt wheel

DECKS AND CUTTING UNITS
Number and Size Five 22 in. (55.9 cm) rotary

cutting decks

Construction 7 gauge heavy duty welded with

pressed steel

Caster Wheels 6.25 x 3.25 – 4 with sealed ball bearing
Cutting Unit Lift Hand operated, lever controlled

hydraulic lift system

Weight Transfer Adjustable hydraulic weight transfer –

electronically activated at operator

controls

Blades Five 22.4 in. (56.8 cm) heat treated

alloy blades

Motor/Spindle Fixed displacement, self-lubricating with

1 in. (2.54 cm) diameter shaft; double

sealed bearings

Height-of-Cut 0.75 – 5.25 in. (19 – 133 mm) in

0.25 in.

(6 mm) increments; minimal tools

required for adjustment

Cutting Capacity 6.8 acres per hour at 7.5 mph

(2.8 ha/h at 12 km/h)

Overall Cutting Width 90 in. (2.3 m)
WEIGHT AND DIMENSION
Weight 3950 lbs. (1792 kg)
Length 130 in. (3.3 m)
Height Rops: 83 in. (2.11 m) ; Ballcage

installed: 84.5 in. (2.15 m)

Wheelbase 58 in. (1.5 m)
Width

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