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John Deere G110 Engine

John Deere G110 Engine Specifications

Engine Model ............. Kohler Command CV730S
Engine Type ............. 4-cycle gasoline, OHV, air-cooled
Number of Cylinders ............. V-Twin
Displacement, cc (cu.in) ............. 725 (44.0)
Engine Bore, mm (in) ............. 83.0 (3.27)
Engine Stroke, mm (in) ............. 67.0 (2.64)
Rated Engine Power, hp (kW) ............. 25.0 (18.4)
Rated Engine Speed, rpm ............. 3600
Maximum Torque, Nm (ft-lbs) ............. 54.1 (39.9)
Torque Speed, rpm ............. 2800
Compression ............. 9.0:1
Carburetor Model ............. Nikki or Keihin
Carburetor Type ............. Fixed main jet
Fuel Pump ............. Pulse type
Fuel Filter ............. In-line
Governor ............. Mechanical, centrifugal type
Lubrication ............. Full pressure
Oil filter ............. Full-flow type
Air Cleaner ............. Replaceable, paper element
Oil Capacity, L (qts) ............. 1.9 (2.0)
Electrical System Rating, Volts ............. 12
Starter Type ............. Electric
Battery Rating ............. 12V, 400 CCA

John Deere G110 Engine Maintenance Data

Valve Adjustment

Intake Valve Clearance (Cold), mm (in) ............. 0.038-0.076 (0.0015-0.0030)
Exhaust Valve Clearance (Cold), mm (in) ............. 0.050-0.088 (0.0020-0.0035)
Intake Valve Guide I.D, mm (in) ............. 7.038-7.058 (0.2771-0.2779)
Exhaust Valve Guide I.D, mm (in) ............. 7.038-7.058 (0.2771-0.2779)
Valve Guide Reamer Size (Standard), mm (in) ............. 7.048 (0.2775)

Engine Oil and Filters

Engine Oil Type (Summer) ............. SAE 10W-30
Engine Oil Type (Winter) ............. SAE 5W-20, 5W-30
Oil Classification ............. SG, SH, SJ or higher
Oil Capacity (w/o Filter), L (qts) ............. 1.7 (1.8)
Oil Capacity (with New Filter), L (qts) ............. 1.9 (2.0)
Oil Filter Part Number ............. AM125424
Air Filter Part Number ............. M133095

Carburetor Adjustment

Main Fuel ............. 2-1/2 turns
Idle Fuel ............. 3/4 to 1 full turn
Low Idle Speed, rpm ............. 1200±75
High Idle Speed, rpm ............. 3600±50

Ignition System

Spark Plug Type ............. Champion RC12YC
Spark Plug Gap, mm (in) ............. 0.76 (0.030)
Module Air Gap, mm (in) ............. 0.28-0.33 (0.011-0.013)
Thread Size, mm (in) ............. 14 (0.55)
Reach, mm (in) ............. 19.1 (0.75)
Spark Plug Torque, Nm (ft-lbs) ............. 24.4-29.8 (18-22)

John Deere G110 Engine Service Data

Cylinder Block

Cylinder Bore I.D (Standard), mm (in) ............. 82.988-83.013 (3.2672-3.2682)
Cylinder Bore I.D (Max. Wear Limit), mm (in) ............. 83.051 (3.2697)
Cylinder Bore (Max. Out-of-Round), mm (in) ............. 0.12 (0.0047)
Cylinder Bore Max. Taper, mm (in) ............. 0.05 (0.0020)
Cylinder Head Max. Out-of-Flatness, mm (in) ............. 0.076 (0.003)
Camshaft End Play (With Shim), mm (in) ............. 0.076-0.127 (0.0030-0.0050)
Camshaft Clearance, mm (in) ............. 0.025-0.063 (0.0010-0.0025)
Camshaft Bore I.D, mm (in) ............. 20.000-20.025 (0.7874-0.7884)
Camshaft Bearing Surface O.D, mm (in) ............. 19.962-19.975 (0.7859-0.7864)
Connecting Rod-to-Crankpin Clearance, mm (in) ............. 0.030-0.055 (0.0012-0.0022)
Connecting Rod-to-Crankpin Side Clearance, mm (in) ............. 0.26-0.63 (0.0102-0.0248)
Connecting Rod-to-Piston Pin Clearance, mm (in) ............. 0.015-0.028 (0.0006-0.0011)

Valves

Hydraulic Valve Lifter to Crankcase Clearance, mm (in) ............. 0.0241-0.0501 (0.0009-0.0020)
Intake Valve Stem-to-Valve Guide Clearance, mm (in) ............. 0.038-0.076 (0.0015-0.0030)
Exhaust Valve Stem-to-Valve Guide Clearance, mm (in) ............. 0.050-0.088 (0.0020-0.0035)
Intake Valve Guide I.D, mm (in) ............. 7.038-7.058 (0.2771-0.2779)
Exhaust Valve Guide I.D, mm (in) ............. 7.038-7.058 (0.2771-0.2779)
Valve Guide Reamer Size (Standard), mm (in) ............. 7.048 (0.2775)
Valve Guide Reamer Size (0.25 mm Oversize), mm (in) ............. 7.298 (0.2873)
Intake Valve Minimum Lift, mm (in) ............. 8.07 (0.3177)
Exhaust Valve Minimum Lift, mm (in) ............. 8.07 (0.3177)

Crankshaft

Crankshaft End Play (Free), mm (in) ............. 0.070-0.590 (0.0028-0.0230)
Crankshaft Bore (In Crankcase), mm (in) ............. 40.965-41.003 (1.6128-1.6143)
Crankshaft to Sleeve Bearing Clearance, mm (in) ............. 0.03-0.09 (0.0012-0.0035)
Crankshaft Bore, mm (in) ............. 40.987-40.974 (1.6136-1.6131)
Crankshaft Bore-to-Crankshaft Clearance, mm (in) ............. 0.039-0.074 (0.0015-0.0029)
Flywheel End Main Bearing Journal O.D, mm (in) ............. 40.913-40.935 (1.6107-1.6116)
Flywheel End Main Bearing Journal Max. Taper, mm (in) ............. 0.022 (0.0009)
Oil Pan End Main Bearing Journal O.D, mm (in) ............. 40.913-40.935 (1.6107-1.6116)
Oil Pan End Main Bearing Journal Max. Taper, mm (in) ............. 0.022 (0.0009)
Connecting Rod Journal O.D, mm (in) ............. 35.955-35.973 (1.4156-1.4163)
Connecting Rod Journal Max. Taper, mm (in) ............. 0.018 (0.0007)
Crankshaft T.I.R (PTO End, Crank in Engine), mm (in) ............. 0.279 (0.0110)
Crankshaft T.I.R (Entire Crank, in V-Blocks), mm (in) ............. 0.10 (0.0039)

Piston and Piston Rings

Piston-to-Piston Pin Clearance, mm (in) ............. 0.006-0.017 (0.0002-0.0007)
Piston Pin End I.D, mm (in) ............. 17.015-17.023 (0.6699-0.6702)
Piston Pin Bore I.D, mm (in) ............. 17.006-17.012 (0.6695-0.6698)
Piston Pin O.D, mm (in) ............. 16.995-17.000 (0.6691-0.6693)
Top Compression Ring-to-Groove Side Clearance, mm (in) ............. 0.025-0.048 (0.0010-0.0019)
Middle Compression Ring-to-Groove Side Clearance, mm (in) ............. 0.015-0.037 (0.0006-0.0015)
Oil Control Ring-to-Groove Side Clearance, mm (in) ............. 0.026-0.176 (0.0010-0.0070)
Top and Middle Compression Ring End Gap, mm (in) ............. 0.25-0.56 (0.0100-0.0224)
Piston Thrust Face O.D, mm (in) ............. 82.986 (3.3194)
Piston Thrust Face-to-Cylinder Bore Clearance, mm (in) ............. 0.001-0.045 (0.039-0.0018)

John Deere G110 Engine Tightening Torque Specs

Cylinder Head Flange Nut, Nm (ft-lb) ............. 16.9-33.9 (12.5-25)
Cylinder Head Bolt, Nm (ft-lb) ............. 22.6-41.8 (16.7-30.8)
Rocker Arm Screw, Nm (ft-lb) ............. 11.3 (8.3)
Connecting Rod Cap, Nm (ft-lb) ............. 22.7 (16.7)
Flywheel Retaining Screw, Nm (ft-lb) ............. 66.4 (49)
Intake Manifold Mounting, Nm (ft-lb) ............. 7.4 (5.5)
Carburetor Mounting Nut, Nm (ft-lb) ............. 6.2-7.3 (4.6-5.4)
Oil Drain Plug, Nm (ft-lb) ............. 13.6 (10)
Oil Pan, Nm (ft-lb) ............. 24.4 (18)
Governor Lever Nut, Nm (ft-lb) ............. 6.8 (5)
Ignition Module, Nm (ft-lb) ............. 4.0-6.2 (2.9-4.6)
Oil Filter, Nm (ft-lb) ............. 10.4-12.7 (7.5-9.2)

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