Engine Family:
Command PRO twin-cylinder horizontal shaft
Rated Power:
27 HP (as designated for CH740 in this manual)
Application:
Riding mowers, zero-turn mowers, generators, and other commercial outdoor power equipment
Manual Coverage:
CH740 Command PRO engine, all production variants of this model
Target Audience:
Professional technicians, small-engine repair shops, and DIY owners servicing Kohler Command PRO engines
Use Case:
Workshop reference for repair, overhaul, troubleshooting, and scheduled maintenance
Advantage:
Factory-level procedures, specifications, and diagnostic charts specific to the CH740, not generic small-engine guidance
Engine Design:
Air-cooled, V-twin, four-cycle OHV gasoline engine
Serviceability:
Full disassembly and reassembly procedures with torque specifications
Diagnostics:
Step-by-step troubleshooting and test procedures
Manual Type:
Full service and repair workshop manual
Delivery:
Instant digital download
Binding:
Digital (printable pages)
Device Compatibility:
Computer, tablet, or phone; print only the pages needed for the job
Coverage:
Complete engine coverage: general information, maintenance, disassembly, overhaul, reassembly, and troubleshooting
General Information:
Safety warnings, engine identification, and general specifications
Maintenance Schedules:
Factory service intervals and lubrication procedures
Fuel System:
Carburetor service, fuel pump, and fuel line procedures
Ignition System:
Ignition module testing, timing, and spark plug service
Lubrication System:
Oil pump, pressure relief, and lubrication circuit service
Cooling System:
Air cooling shrouds, fins, and cooling maintenance
Starting System:
Starter motor, solenoid, and charging system diagnostics
Cylinder Head:
Removal, valve service, and reassembly with torque sequence
Pistons and Crankshaft:
Disassembly, inspection, measurement, and overhaul limits
Camshaft and Valvetrain:
Camshaft, lifters, valve lash, and timing procedures
Crankcase and Bearings:
Crankcase disassembly, bearing inspection, and replacement
Governor System:
Governor adjustment and linkage setup
Electrical System:
Wiring diagrams, charging output tests, and safety switches
Troubleshooting:
Symptom-based diagnostic charts for no-start, poor running, and performance issues
Specifications:
Complete torque specs, clearances, and wear limits for overhaul
Special Tools:
Tool requirements and alternatives identified where needed
Parts Information:
Exploded views and part identification to support correct ordering
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Model:
Kohler Command PRO CH740
Configuration:
Air-cooled, V-twin, four-cycle OHV gasoline
Rated Power:
27 HP class (per manual designation)
Displacement:
725 cc (44.2 cu in) Command PRO twin
Bore and Stroke:
Refer to manual — N/A - confirm exact figures in Chapter 2 specifications
Fuel System:
Carburetor with mechanical fuel pump
Lubrication:
Full-pressure lubrication with spin-on oil filter
Cooling:
Forced air cooling
Manual Scope:
This manual covers the CH740 engine only; it does not cover vehicle transmission or driveline components
Engine Output Shaft:
Horizontal crankshaft with PTO for equipment-driven attachments
Optional Transmission:
N/A - transmission varies by host equipment manufacturer
Features:
Engine-side procedures cover coupling to host equipment where applicable
Design:
Compact V-twin horizontal-shaft engine package
Dry Weight:
Refer to specification tables in manual — N/A - exact weight not stated in source
Mounting:
Standard Command PRO mounting pattern
Overall Dimensions:
Refer to Chapter 2 general specifications for exact measurements
Operator Safety:
Safety warnings and caution procedures throughout the manual
Interlock Support:
Procedures cover safety switch testing in the electrical chapter
Crash Test Ratings:
N/A - not applicable to a stationary/vehicle-mounted engine
Passive Protection:
Recoil/ starter and shrouding procedures covered for safe servicing
Ignition:
Solid-state magneto ignition, no points
Charging:
Battery charging alternator/regulator system with test procedures
Electrical Diagnostics:
Wiring schematics and voltage/resistance test specifications
Infotainment:
N/A - not applicable to an engine service manual
Oil Change:
Interval specified per Kohler schedule; procedures included
Oil Filter:
Replace with each oil change per factory schedule
Air Filter:
Service/replacement intervals per maintenance chapter
Spark Plugs:
Inspection, gap specification, and replacement interval
Valve Clearance:
Periodic valve lash check and adjustment procedure
Engine Oil:
Kohler-recommended grade and capacity stated in specifications
Common Wear Items:
Air filter, oil filter, spark plugs, fuel filter, starter components
Known Issues:
Troubleshooting chapter addresses typical Command PRO running and starting complaints
Manufacturer:
Kohler Co., a long-established American engine and equipment manufacturer
Engine Family:
Command PRO series — commercial-grade air-cooled gasoline engines
Model Evolution:
CH740 is part of the CH (Command horizontal) twin-cylinder line used widely in commercial mowers
Production Location:
N/A - not specified in the manual source