Specifications

Blades

Blade tip speed Approximately 18,000 fpm
5486 m/min
Thickness 0.25 in.
0.64 cm
Number Three

Brakes

Park brake Internal wet disk
Park brake actuation Hand lever
Dynamic braking Dual hand-controlled levers

Buyer's note

Warranty 36 months or 1200 hours, whichever comes first.
First 24 months, no hour limitation.

Dimensions

Width With chute down, 62, 68, 74 in.
157, 173, 188 cm
Weight 1045 lb
474 (48 in.)
1070 lb
485 kg (54 in.)
1095 lb
497 kg (60 in.)
Height 48 in.
122 cm
Length Foot platform up, 67.25 in.
171 cm
Foot platform down, 72 in.
183 cm

Drivetrain

Speed and direction control Twin hand-controlled levers
Hydraulic pumps 0.79 cu in.
13 cc
Filter Two internal and replaceable
Travel speed Speed range
0-10 mph
0-16.1 km/h
Forward
Infinite, 0-10 mph
Infinite, 0-16.1 km/h
Reverse
Infinite, 0-5 mph
Infinite, 0-8.0 km/h
Transmission Tuff Torq TZT13 IHT
Wheel motors 13 cu in.
213 cc
Hydraulic capacity 6.0 U.S qt
5.7 L
Hydraulic oil cooler Two 8.5 in. (22 cm) fans

Electrical system

Operator presence starting system Yes
Hour meter Display panel including hour meter, fuel level, engine speed, system voltage, low engine oil pressure indicator, starting interlock indicators (PTO, operator presence, park brake), caution warning, stop warning, and on-board diagnostics
Cold cranking amp 300 CCA
Charge system At 3,600 rpm 20A
Battery voltage 12 V

Engine

Oil filter Full flow, replaceable
Air cleaner Heavy-duty canister type with safety element
Cooling Forced air, with integrated clean out ports
Manufacturer/Model FX730V
Cylinders Two, V-twin
Crankcase capacity With filter, 2.2 qt
2.1 L
Power Gross at 3,600 rpm: 23.5 hp
17.5 kW
Lubrication Full pressure
Displacement 44.3 cu in.
726 cc

Fuel system

Fuel tank switch/shut-off valve No
Fuel type Gasoline
Fuel tank capacity 12 U.S. gal.
45.3 L

Key Specs

Mower deck size 48-in. (122-cm) 7Iron™ PRO side-discharge
54-in. (137-cm) 7Iron™ PRO side-discharge
60-in. (152-cm) 7Iron™ PRO side-discharge
Speed range 0-10 mph
0-16.1 km/h
Fuel tank capacity 12 U.S. gal.
45.3 L
Engine power Gross at 3,600 rpm: 23.5 hp
17.5 kW
Caster wheels 13x5-6
Transmission Tuff Torq TZT13 IHT
Warranty 36 months or 1200 hours, whichever comes first.
First 24 months, no hour limitation.
Drive wheels 22x10-12 pneumatic (48 in.)
22x12-12 pneumatic (54 in., 60 in.)
22x11N12 Tweel
Engine Manufacturer/model FX730V
Blade tip speed Approximately 18,000 fpm
5486 m/min

Mower decks

Size 48-in. (122-cm) 7Iron™ PRO side-discharge
54-in. (137-cm) 7Iron™ PRO side-discharge
60-in. (152-cm) 7Iron™ PRO side-discharge
Deck thickness 7 gauge
0.180 in.
4.6 mm
Height-of-cut range Increments
0.25 in.
0.64 cm
1.5-5 in.
3.8-12.7 cm
Cutting width 48-in. (122-cm) 7Iron™ PRO side-discharge
54-in. (137-cm) 7Iron™ PRO side-discharge
60-in. (152-cm) 7Iron™ PRO side-discharge
Deck construction 7-Iron™ PRO: one-piece forged steel
Discharge Side

PTO

Drive V-belt
Type Electro-magnetic with brake, 125 lb-ft
169 Nm (48 in.)
Electro-magnetic with brake, 200 lb-ft
271 Nm (54 in., 60in.)

Tires

Load rating 4 PR
Drive wheels 22x10-12 pneumatic (48 in.)
22x12-12 pneumatic (54 in., 60 in.)
22x11N12 Tweel

Wheels

Caster wheels 13x5-6
Caster wheel type Flat free
Front anti-scalp rollers RH, center, LH

Additional information

Date collected 28-Aug-2023

John Deere Q820M Image Gallery