Overview Reviews Product Description Works on Paccar MX-13 engines, found on Kenworth and Peterbilt trucks. Can be used to make sure the engine rotates freely while troubleshooting other issues. Use with 1/2" square drive. Lisle Tools Catalog Product Videos Custom Field Harmonization code HTS #8207806000 Manufacturing country TW Product Reviews Write a Review Write a Review × Lisle Engine Barring Tool Paccar 61840 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *