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John Deere STX30 Specs
Engine Specifications
Engine model - Kohler Command LT CV12.5
Type - Gasoline, Air Cooled, Single Cylinder, 4-Cycle, Overhead Valves
Crankcase Oil Capacity (with filter) - 1.8 L (1.9 U.S. qt)
Oil Type - (Warm Climate) - 10W30 (Warm Climate) / 5W30 (Cold Climate)
Power (3600 RPM, corrected to SAE J1995) - 9.33 kW (12.5 HP)
Max Torque (RPM indicated) - 27.8 Nm (20.5 ft. lb.) /2500
Bore - 87 mm (3.43 in.)
Stroke - 67 mm (2.64 in.)
Displacement - 398 cc (24.3 cu. in.3)
Compression Ratio - 8.5:1
Compression Release - Automatic/Centrifugal
Crankshaft Type - Vertical (counterbalanced)
Weight (approx.) - 39.54 kg (87 lb.)
Oil Capacity (approx.) - 1.9 L (2.0 U.S. qt.)
Lubrication - Gerotor Pump (0—60 psi)
Oil Filter - Full Flow (W/O By-Pass Valve)
Oil - John Deere Turf-Gard
Lubrication Interval - 50 Hours First Change, Every 100 Hours After or
Yearly
Air Cleaner Base Nut Torque - 9.9 Nm (88 in.lb.)
Air Cleaner Wing Nut Torque - 1.5 Nm (12 in.lb.)
Angle of Operation - Maximum (at full oil level) Intermittent /
Continuous - 35 / 20 degrees
Carburetor - Walbro
Carburetor Type - Side Draft
Throttle/Choke - Unitized Control Linkage
Carburetor Fuel Shut-Off Solenoid (Optional) - Electric
Fuel Delivery - Gravity Flow
Fuel Filter - Replaceable Paper (in-line type)
Fuel Type - Unleaded (87 octane minimum)
Fuel Tank Capacity - 4.7 L (1.25 gal)
Fuel Shut-Off Valve - Replaceable (In-Line Type)
Fuel Shut-Off Solenoid (Optional) - Replaceable (Below Carburetor Float
Bowl)
Air Filter - Paper Element with Foam Pre-cleaner
Muffler Type - Anti-Backfire
Gasoline/Alcohol Blends - Up To 10% Ethyl Alcohol-90% Unleaded (By
Volume)
Gasoline/Ether Blends - Up To 15% MTBE-85% Unleaded (By Volume)
John Deere STX30 Electrical
Charging System - Flywheel/Electronic Magneto
Magneto Air Gap - 0.2-0.3 mm (0.008-0.012 in.)
Charging Capacity - 15 amp (regulated)
Spark Plug - Champion RC12YC
Spark Plug Air Gap - 1.0 mm (0.040 in.)
Battery Type - BCI Group, U1
Battery Reserve Capacity - 23 min. at 25 amp
Battery Cold Cranking Amp - 25 amp at 27C (0F) for 20 minutes
Battery Specific Gravity - Above 1.225 Points
Starter Type - Bendix Inertia Drive
PTO Clutch Type - Electric (Manufactured by Warner)
Fuel Shut-Off Solenoid (Optional) - Replaceable (Below Carburetor Float
Bowl)
Headlight Kit (Optional) - Two Bulbs-Each 12 Volt/23W/1.9 Amp Draw
JD STX30 Transaxle
Gear Transaxle - Dana
Transaxle Model - Spicer Heavy-Duty 4360 Transaxle
Type - Five-Speed/Linear Shift
Brake Type - Single, External Brake Disc With Dual Friction Pucks
Traction Drive Belt
Type - Gear
Actual effective length - 2660±8 mm (104.7±0.3 in.)
Theoretical effective length (short) - 2631 mm (103.6 in.)
Theoretical effective length (long) - 2710 mm (106.7 in.)
John Deere STX30 Chassis
Wheelbase - 1135 mm (44.69 in.)
Overall Length - 1524 mm (60 in.)
Overall Width (w/o mower deck) - 908 mm (35.75 in.)
Height - 980 mm (38.6 in.)
Horizontal Pull Maximum - 250 N (56 lbs)
Tongue Weight Maximum - 65 N (15 lbs)
Trailer Load Maximum - 136 kg (300 lbs)
Trailer Tongue Weight Maximum - 23 kg (50 lbs)
Steering
Steering Type - Manual-Pinion/Sector
Axle Pivot Hub - Shim Adjustable
Lubrication - DuBois MPG-2 Multipurpose Grease
Lubrication Interval - 10 hrs (maximum)
Toe-In - 6 mm (0.24 in.)-Non-Adjustable
Turning Radius - 584 mm (23 in.)
JD STX30 Wheels and Tires
Front Wheels - 6.0x4.50
Rear Wheels - 8.0x6.18
Front Tires - 13x5-6 NHS (2 ply)
Rear Tires - 18x6.50-8 NHS (2 ply)
Front Tires Pressure (with mower deck) - 83 kPa (12 psi)
Rear Tires Pressure (with mower deck) - 97 kPa (14 psi)
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JOHN DEERE LAWN TRACTORS SPECIFICATIONS |
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ENGINES FOR JOHN DEERE LAWN TRACTORS |
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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 |
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JOHN DEERE FRONT END LOADERS |
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JD TRACTORS TROUBLESHOOTING | ||||
2640 | 3040 | 3310 | 3650 | 4100 |
5050D | 5090R | 5410 | 6105R | 7200R |
E130 | L111 | LA110 | LT155 | X300R |
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JOHN DEERE FARM TRACTORS SPECIFICATIONS |
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