Caterpillar 3126B — Fuel Recommendations
Operation · Fuel System
For the Caterpillar 3126B, from the Caterpillar owner's manual.
Applies to: Caterpillar 3126B
Procedure
- Use a fuel/water separator.
- Use No. 2 diesel fuel for best fuel economy.
- No. 2 and No. 1 blends acceptable in cold weather conditions.
- Use major fuel depots to assure quality fuels.
- Keep fuel tank full when in storage.
- Additives generally not recommended; however, biocides may be used to eliminate microorganism growth.
Full service-parts list: Caterpillar 3126B →
Source: Caterpillar owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.