Model Variant:
Command Pro CH730 horizontal-shaft V-twin
Production Years Covered:
Early 2000s through current production
Family:
Kohler Command Pro
Configuration:
Air-cooled, 90-degree V-twin, 4-stroke, gasoline
Displacement:
725 cc (44.3 cu in)
Cooling:
Forced air with cooling fan and shrouds
Target Audience:
OEM equipment manufacturers and engine service technicians
Typical Applications:
Commercial zero-turn mowers, riding mowers, trenchers, and utility equipment
Duty Rating:
Heavy-duty commercial/industrial
Advantage:
Proven Command Pro platform with broad parts availability
Design:
Overhead-valve, pressure-lubricated V-twin
Serviceability:
Simple air-cooled layout with accessible service points
Coverage:
Complete service and repair of the CH730 engine
Sections:
General information, specifications, maintenance, troubleshooting, disassembly, repair, reassembly
Manual Type:
Service and repair manual
Delivery:
Instant download
Page Count:
N/A - varies by edition; see product page listing
Engine Mechanical:
Cylinder heads, valves, pistons, connecting rods, crankshaft, crankcase
Lubrication System:
Oil pump, oil filter, oil galleries, pressure relief
Cooling System:
Cooling fan, shrouds, air ducts, cylinder fins
Fuel System:
Carburetor, fuel pump, fuel lines, fuel tank connection
Governor System:
Mechanical governor, linkage, adjustment
Ignition System:
Ignition modules, flywheel, spark plugs, wiring
Starting System:
Electric starter, starter solenoid, charging system
Electrical System:
Wiring harness, switches, safety interlocks, charging coil
Adjustment:
Valve clearance, governor, carburetor, idle speed
Disassembly:
Step-by-step engine teardown
Inspection:
Component wear limits and measurement procedures
Repair:
Cylinder, valve, piston, and bearing service
Reassembly:
Torque sequences and assembly clearances
Troubleshooting:
Diagnostic charts for no-start, misfire, and performance faults
Specifications:
Clearances, torque values, and wear limits tables
Wiring:
Electrical schematics and wiring diagrams
Illustrations:
Exploded views and component photos
Parts Information:
Component identification and service part references
Maintenance:
Periodic service and inspection schedule
Tools:
Special tools and required equipment
Safety:
Shop safety and handling precautions
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 Type:
Air-cooled 4-stroke V-twin, gasoline
Displacement:
725 cc (44.3 cu in)
Bore x Stroke:
N/A - verify against engine tag for specific build
Compression Ratio:
N/A - not specified for this model
Valvetrain:
Overhead valve (OHV), hydraulic lifters
Horsepower Range:
Approximately 22 to 25 hp depending on configuration
Rated Speed:
3600 rpm governed operating speed
Torque:
N/A - varies by build and application
Fuel Type:
Regular unleaded gasoline
Fuel Delivery:
Carbureted
Safety Interlocks:
Compatible with equipment seat, PTO, and blade safety switches
Low-Oil Protection:
Oil pressure switch provisions on applicable configurations
Stopping:
Ignition kill circuit for shutdown
Manual Guidance:
Safety warnings for fuel, exhaust, and rotating components
Ratings:
N/A - no consumer crash test ratings apply to an engine
Ignition:
Solid-state ignition modules
Governor:
Mechanical centrifugal governor
Charging:
Flywheel alternator charging system
Troubleshooting:
Fault charts for ignition, fuel, and compression
Driver Assistance:
N/A - not applicable to an engine
Oil Change:
Per equipment manual; typically every 100 hours under normal use
Oil Filter:
Replace with every oil change
Air Filter:
Clean or replace per operating conditions
Spark Plugs:
Inspect and replace per service schedule
Valve Clearance:
Check and adjust at specified service intervals
Engine Oil:
Use oil grade recommended for ambient temperature; consult manual tables
Oil Capacity:
N/A - verify against specific engine build
Fuel:
Regular unleaded gasoline, 87 octane or higher
Common Wear Items:
Air filter, spark plugs, oil filter, fuel lines, ignition modules
Service Notes:
Keep cooling fins and shrouds clear to prevent overheating