On-Highway
Caution: Refer to General Information and General Engine Test Specifications and Procedures before operat-
ing the engine to avoid internal component damage.
Operate the vehicle pulling heaviest available trailer allowed for the first 80 to 160 km [50 to 100 miles] after
rebuild. Operate vehicle in highest gear possible within the normal operating RPM range of the engine. It is necessary to operate the engine at or near full throttle at 75 percent to 85 percent of maximum horsepower RPM in-
dicated on the data tag.

NOTE: Do not idle the engine for more than 5 minutes at any one time during the first 160 km [100 miles] of operation.

Off-Highway
Caution: Refer to General Information and General Engine Test Specifications and Procedures before operat-
ing the engine to avoid internal component damage.
Operate the engine under the highest load possible at full throttle within the normal operating RPM range of the
engine for the first 3 hours of operation after rebuild.

NOTE: Do not idle the engine for more than 5 minutes at any one time during the first 3 hours of operation after rebuild.
