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John Deere X120 Specs

John Deere X120 Engine Specifications

Engine Model - Briggs and Stratton 31
Displacement - 502 cc (30.6 cu in.)
Bore - 90.60 mm (3.56 in.)
Stroke - 77.78 mm (3.06 in.)
Ignition Module (Armature) Air Gap - 0.253-0.356 mm (0.010-0.014 in.)
Intake Valve Clearance - 0.076-0.127 mm (0.003-0.005 in.)
Exhaust Valve Clearance - 0.13-0.18 mm (0.005-0.007 in.)
Spark Plug-Gap - 0.76 mm (0.030 in.)
Spark Plug-Torque - 20 Nm (15 lb-ft)
Start Type - Electric
Application - Riding mower, lawn tractor, trail mower
Engine Type - Intek
Shaft Output - Vertical
Crankshaft - 1 x 3 5/32
Shaft Diameter (in.) - 1
Shaft Length (in.) - 3 5/32
Shaft Keyway (in.) - 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch) - 7/16-20
Shaft Rotation (From PTO Shaft Side) - CCW
Bearing Type - Plain
Cylinders (qty.) - 1
Cylinder Bore - Cast iron
Compression Ratio - 8.5:1
Cooling System - Air cooled
Air Cleaner Type - Dual element
Fuel Tank - Not included
Fuel Type - Gasoline
Fuel Filter - Yes
Crankcase Capacity, with Oil Filter - 1.4 L (1.5 qt)
Fuel Tank Capacity - 15.1 L (3.9 gal)
Fuel Types - 87 Octane Unleaded Fuel
Oil Capacity (qt.) - 1 1/2
Lubrication System - Splash
Ignition System - Electronic
Governor System - Mechanical
Carburetor - Float
Throttle Control - Remote
Choke Control - Manual
Fast Idle Engine Speed - 3250
Rotation Speed of Cutting Device with 42C Mower - 2909 r/min at 3350 r/min engine speed
Max. RPM - 3,300
Charging System Amps - 9
Muffler Included - Yes
Auto Compression Release - Yes
Bolt Circle (in.) - 10
Dimensions L x W x H (in.) - 19 x 16 x 13
Sound without Mower - 83.6 dB(A) at 3250 r/min engine speed
Sound with 42C Mower - 86.0 dB(A) at 3250 r/min engine speed
Vibration with 42C Mower - Below 2.5 m/s2

JD X120 Electrical System

Charging System - Regulated Circuit
Charging System Capacity - 9 Amp
Battery Voltage - 12 Volts
Battery Type - BCI Group U1

John Deere X120 Transmission

Transmission - Hydrostatic
Transaxle Model - Tuff Torq T40
Travel Speed (Forward) - 0-8.9 km/h (0-5.5 mph)
Travel Speed (Reverse) - 0-5.2 km/h (0-3.2 mph)

JD X120 Mechanical

Transmission - Hydrostatic
Front Power Take-Off - Independent
Clutch Type - Electric
Steering - Manual Steering
Cab - Open operator station (OOS)

Tire Sizes

Front Tires - 15 x 6.00 - 6
Rear Tires - 20 x 8.0 - 8
Tire Pressure (Front) - 97 kPa (14 psi)
Tire Pressure (Rear) - 69 kPa (10 psi)

John Deere X120 Mower

Model - 42C Mower
Mower Deck - 107 cm (42 in.)
Blades - Rotary 2
Blade Nut Torque (w/ M12 Nut) - 75 Nm (55 lb-ft)
Blade Nut Torque (w/ 5/8 in. Nut) - 88 Nm (65 lb-ft)
Cutting Height (Approximately) - 25-102 mm (1-4 in.)
Cutting Width - 1067 mm (42 in.)

Dimensions

Height - 1130 mm (44.5 in.)
Length (Overall) - 1750 mm (68.75 in.)
Width (Mower Deck Chute Down) - 1310 mm (51.75 in.)
Weight - 204 kg (450 lb)

JOHN DEERE TRACTORS ATTACHMENTS
420	430	455	790	990
X300	X320	X330	X350	X475
X485	X500	X540	X570	X590
X700	X720	X738	X758	1023E
2025R	2210	2520	3025E	3032E
3038E	3038R	3039R	3046R	3203
3320	3520	4052R	4066R	4100
4105	4115	4200	4310	4320
4400	4410	4520	4600	4720

JD TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R