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John Deere GT235 Engine
Kawasaki FH580V
Engine Specifications
Engine Model .......... Kawasaki FH580V
Engine Type .......... Vertical, 4-stroke, air cooled, V-twin gasoline
engine
Number of Cylinder .......... 2
Cylinder Layout .......... 90 deg V-Twin
Piston Displacement, cc (cu.in) .......... 585 (35.7)
Engine Bore, mm (in) .......... 74.0 (2.91)
Engine Stroke, mm (in) .......... 68.0 (2.68)
Engine Power, Hp (kW) .......... 19.0 (14.2)
Rated Engine Speed, rpm .......... 3600
Maximum Torque, Nm (ft-lb) .......... 37.8 (27.9)
Torque Speed, rpm .......... 2400
Compression Ratio .......... 8.5:1
Carburetor Type .......... Float type with fixed main jet
Fuel Pump .......... Pulse Pump
Governor .......... Flyweight all speed governor
Air Cleaner .......... Dual stage element, dry type
Direction of Rotation .......... Counterclockwise facing the PTO Shaft
Lubricating System Type .......... Pressurized
Oil Filter .......... Dual element
Ignition System Type .......... Transistorized-fly wheel magneto
Spark Plug .......... Champion RCJ8Y
Electrical System Rating, Volts .......... 12
Charging Coil .......... 12V-15 amps with regulator
Starting System .......... Electric starter
John Deere GT235 Engine Maintenance Data
Valve Adjustment
Intake Valve Clearance .......... 0.10-0.15 mm (0.004-0.006 in.)
Exhaust Valve Clearance .......... 0.10-0.15 mm (0.004-0.006 in.)
Valve Spring Free Length .......... 31.0 mm (1.22 in.)
Intake Valve Seat Width .......... 0.6-0.9 mm (0.024-0.035 in.)
Exhaust Valve Seat Width .......... 0.6-0.9 mm (0.024-0.035 in.)
Engine Oil and Filters
Engine Oil Type .......... SAE 10W-30/10W-40, SAE 5W-20
Oil Classification .......... SF, SG, SH, SJ or SL
Oil Capacity (w/o Filter), L (qts) .......... 1.7 (1.8)
Oil Capacity (with New Filter), L (qts) .......... 1.8 (1.9)
Oil Filter Part Number .......... AM107423
Air Filter Part Number .......... M137556
Carburetor Specs and Adjustment
Carburetor Model .......... Nikki 621266
Throttle Bore Diameter, mm (in) .......... 26.0 (1.02)
Venturi Diameter, mm (in) .......... 18.0 (0.71)
Main Jet .......... #105
Pilot Jet .......... #50
Main Air Jet .......... #110
Pilot Air Jet .......... #140
Pilot Air Screw Turns Out .......... 1-7/8
Float Level .......... Float parallel to carburetor body
Low Idle Speed, rpm .......... 1550±100
High Idle Speed, rpm .......... 3600±100
Throttle Valve Screws Torque, Nm (ft-lbs) .......... 0.70 (0.52)
Main Jet Torque, Nm (ft-lbs) .......... 2.3 (1.7)
Float Chamber Mounting Screw Torque, Nm (ft-lbs) .......... 4.5 (3.3)
Governor Arm Clamp Nut Torque, Nm (ft-lbs) .......... 7.8 (5.8)
Ignition System
Plug Type .......... Champion RCJ8Y or NGK BPMR6A
Plug Gap, mm (in) .......... 0.75 (0.0296)
Ignition Coil Air Gap, mm (in) .......... 0.20-0.40 (0.0079-0.0158)
Spark Plug Torque, Nm (ft-lb) .......... 22 (16)
John Deere GT235 Engine Service Specifications
Cylinder Head and Valves
Cylinder head warp, mm (in) .......... 0.05 (0.002)
Valve clearance (Intake, Exhaust), mm (in) .......... 0.10-0.15
(0.004-0.006)
Valve seating surface angle (Intake, Exhaust), deg .......... 45
Valve seating surface width (Intake), mm (in) .......... 0.6-0.9
(0.024-0.035)
Valve seating surface width (Exhaust), mm (in) .......... 0.6-0.9
(0.024-0.035)
Valve guide inside diameter (Intake, Exhaust), mm (in) .......... 6.08
(0.239)
Valve head thickness (Intake, Exhaust), mm (in) .......... 0.35 (0.014)
Valve stem runout (Intake, Exhaust), mm (in) .......... 0.05 (0.002)
Valve stem diameter (Intake), mm (in) .......... 5.95 (0.0234)
Valve stem diameter (Exhaust), mm (in) .......... 5.93 (0.0233)
Valve guide inside diameter (Intake, Exhaust), mm (in) .......... 6.08
(0.239)
Valve spring free length (Intake, Exhaust), mm (in) .......... 31.0
(1.22)
Rocker arm push rod run out (Intake, Exhaust), mm (in) .......... 0.5
(0.02)
Cylinder and Pistons
Cylinder compression, kPa (psi) .......... 390 (57)
Cylinder inside diameter (Standard), mm (in) .......... 74.10 (2.917)
Cylinder inside diameter (0.50 Oversize), mm (in) .......... 74.60
(2.937)
Cylinder bore out round, mm (in) .......... 0.056 (0.0022)
Piston diameter, mm (in) .......... 73.79 (2.905)
Piston top ring/groove clearance, mm (in) .......... 0.15 (0.006)
Piston second ring/groove clearance, mm (in) .......... 0.12 (0.005)
Piston ring thickness, mm (in) .......... 1.40 (0.055)
Piston top ring end gap, mm (in) .......... 0.70 (0.028)
Piston second ring end gap, mm (in) .......... 0.78 (0.031)
Piston oil ring end gap, mm (in) .......... 1.05 (0.041)
Piston pin outside diameter, mm (in) .......... 15.96 (0.628)
Piston pin hole inside diameter, mm (in) .......... 16.08 (0.633)
Connecting rod small end inside diameter, mm (in) .......... 16.05
(0.632)
Crankshaft and Connecting Rod
Connecting rod big end width, mm (in) .......... 18.80 (0.74)
Crankpin width, mm (in) .......... 39.50 (1.56)
Connecting rod big end inside diameter, mm (in) .......... 35.055
(1.3801)
Crankpin outside diameter, mm (in) .......... 34.94 (1.3810)
Crankshaft journal diameter, mm (in) .......... 34.93 (1.375)
Crankshaft journal bearing inside diameter, mm (in) .......... 35.15
(1.384)
Tightening Torque Specs
Cylinder Head Bolts, Nm (ft-lb) .......... 25 (19)
Crankcase Cover Bolts, Nm (ft-lb) .......... 25 (19)
Flywheel Bolt, Nm (ft-lb) .......... 56 (41)
Valve Clearance Lock Screws, Nm (ft-lb) .......... 6.9 (5.1)
Connecting Rod Big End, Nm (ft-lb) .......... 9.8 (7.3)
Rocker Arm Bolts, Nm (ft-lb) .......... 28 (20)
Rocker Cover Mounting Bolts, Nm (ft-lb) .......... 5.9 (4.4)
Exhaust Pipe Flange Nuts, Nm (ft-lb) .......... 15 (11)
Spark Plugs, Nm (ft-lb) .......... 22 (16)
Governor Arm Clamp Nut, Nm (ft-lb) .......... 7.8 (5.8)
Intake Manifold Mounting Bolts, Nm (ft-lb) .......... 5.9 (4.4)
Recoil Starter Retainer Screw, Nm (ft-lb) .......... 7.8 (5.8)
Briggs and Stratton 350777
Engine Specifications
Engine Model .......... Briggs and Stratton 350777
Engine Type .......... Gasoline, 2-cylinder air-cooled vertical-shaft
Stroke/Cycle .......... Four
Number of Cylinder .......... V-Twin
Piston Displacement, cc (cu.in) .......... 570 (34.8)
Engine Bore, mm (in) .......... 72.0 (2.83)
Engine Stroke, mm (in) .......... 70.0 (2.75)
Engine Power, Hp (kW) .......... 18.0 (13.4)
Fast Idle Speed, rpm .......... 3800
Low Idle Speed, rpm .......... 1750
Compression Ratio .......... 8.2:1
Type of Cooling .......... Air cooled
Oil Filter .......... Replaceable
Air Cleaner .......... Paper element with foam pre-cleaner
Fuel Filter .......... Replaceable, in-line
Lubricating System Type .......... Full Pressure
Ignition System .......... Electronic
Electrical System Rating, Volts .......... 12
Charging System .......... Flywheel alternator
Starter Type .......... Solenoid-shift
Battery Voltage .......... 12 volt
Battery CCA .......... 500 amp
John Deere GT235 Engine Maintenance Data
Valve Adjustment
Intake Valve Clearance .......... 0.10-0.15 mm (0.004-0.006 in.)
Exhaust Valve Clearance .......... 0.10-0.15 mm (0.004-0.006 in.)
Valve Spring Free Length .......... 31.0 mm (1.22 in.)
Valve Stem O.D (Intake) .......... 5.95 mm (0.0234 in.)
Valve Stem O.D (Exhaust) .......... 5.93 mm (0.0233 in.)
Engine Oil and Filter
Engine Oil Type .......... SAE 10W-30, 5W-30, 15W-50
Oil Classification .......... SF, SG, SH, SJ or higher
Oil Capacity (with filter), L (qts) .......... 1.65 (1.75)
Oil Capacity (without filter), L (qts) .......... 1.3 (1.4)
Oil Filter Part Number .......... AM125424
Air Filter Part Number .......... LG394018JD
Ignition System
Spark Plug .......... Champion RC12YC
Spark Plug Gap, mm (in) .......... 0.76 (0.030)
Armature Air Gap, mm (in) .......... 0.2-0.3 (0.008-0.012 in)
Spark Plug Torque, Nm (ft-lb) .......... 20 (14.8)
John Deere GT235 Engine Repair Specifications
Cylinder Block
Cylinder Bore (Std) .......... 72.0-72.03 mm (2.835-2.836 in)
Cylinder Bore (Max Wear) .......... 72.16 mm (2.839 in)
Cam Bearing (Std) .......... 16.0-16.03 mm (0.630-0.631 in)
Cam Bearing (Max Wear) .......... 16.08 mm (0.633 in)
Connecting Rod Crankpin Bearing (Std) .......... 37.06-37.08mm
(1.459-1.460 in)
Connecting Rod Crankpin Bearing (Max Wear) .......... 37.12mm (1.4615
in)
Crankcase Cover Main Bearing (Std) .......... 35.04-35.05 mm
(1.3795-1.380 in)
Crankcase Cover Main Bearing (Max Wear) .......... 35.07 mm (1.381 in)
Crankcase Cover Cam Bearing (Std) .......... 20.0-20.02 mm (0.7875-0.788
in)
Crankcase Cover Cam Bearing (Max Wear) .......... 20.04 mm (0.789 in)
Valves
Valve Guide Inside Diameter (Std) .......... 6.01-6.02 mm (0.2365-0.237
in)
Valve Guide Inside Diameter (Max) .......... 6.05 mm (0.238 in)
Intake Valve Stem Diameter (Std) .......... 5.95-5.96 mm (0.234-0.2346
in)
Intake Valve Stem Diameter (Min) .......... 5.92 mm (0.233 in)
Exhaust Valve Stem Diameter (Std) .......... 5.94-5.95 mm (0.2338-0.234
in)
Exhaust Valve Stem Diameter (Min) .......... 5.91 mm (0.2328 in)
Piston and Piston Ring
Piston Pin Bearing (Std) .......... 17.09-17.1 mm (0.6728-0.6735 in)
Piston Pin Bearing (Max Wear) .......... 17.12 mm (0.674 in)
Piston Pin Diameter (Std) .......... 17.07-17.08 mm (0.6722-0.6725 in)
Piston Pin Diameter (Min) .......... 17.06 mm (0.6718 in)
Piston Ring End Gap .......... 0.20-0.40 mm (0.008-0.016 in)
Top and Center Ring Side Clearance .......... 0.045-0.076 mm
(0.0018-0.003 in)
Oil Ring Side Clearance .......... 0.11-0.15 mm (0.0045-0.006 in)
Crankshaft and Cam Shaft
Crankshaft Crankpin (Std) .......... 37.0-37.02 mm (1.4565-1.4575 in)
Crankshaft Crankpin (Min) .......... 36.95 mm (1.455 in)
Crankshaft Mag Journal (Std) .......... 29.98-30.0 mm (1.180-1.181 in)
Crankshaft Mag Journal (Min) .......... 29.94 mm (1.179 in)
Crankshaft PTO Journal (Std) .......... 34.96-34.97 mm (1.3765-1.377 in)
Crankshaft PTO Journal (Min) .......... 34.92 mm (1.375 in)
Crankcase Cover Main Bearing (Std) .......... 35.04-35.05 mm
(1.3795-1.380 in)
Crankcase Cover Main Bearing (Max Wear) .......... 35.07 mm (1.381 in)
Crankcase Cover Cam Bearing (Std) .......... 20.0-20.02 mm (0.7875-0.788
in)
Crankcase Cover Cam Bearing (Max Wear) .......... 20.04 mm (0.789 in)
Cam Shaft Mag Journal (Std) .......... 15.95-15.97 mm (0.628-0.6287 in)
Cam Shaft Mag Journal (Min) .......... 15.93 mm (0.6273 in)
Cam Shaft PTO Journal (Std) .......... 19.94-19.96 mm (0.7855-0.786 in)
Cam Shaft PTO Journal (Min) .......... 19.92 mm (0.7845 in)
John Deere GT235 Engine Tightening Torque
Specs
Cylinder Head .......... 19.0 Nm (14.1 ft-lbs)
Cylinder Shield .......... 7.0 Nm (5.2 ft-lbs)
Carburetor (to manifold) .......... 7.0 Nm (5.2 ft-lbs)
Connecting Rod .......... 13.0 Nm (9.6 ft-lbs)
Crankcase Cover .......... 17.0 Nm (12.5 ft-lbs)
Exhaust Manifold .......... 17.0 Nm (12.5 ft-lbs)
Fan Retainer .......... 17.0 Nm (12.5 ft-lbs)
Flywheel .......... 175.0 Nm (125 ft-lbs)
Rocker Arm Lock Nut .......... 7.0 Nm (5.2 ft-lbs)
Governor Lever Nut .......... 8.0 Nm (5.9 ft-lbs)
Intake Manifold .......... 16.0 Nm (12.3 ft-lbs)
Oil Pump .......... 7.0 Nm (5.2 ft-lbs)
Valve Cover .......... 3.0 Nm (2.2 ft-lbs)
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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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