| SNCF 040.DF.1 SNCF BB 60041 | |
| Powertype: | Diesel-hydraulic |
| Builder: | Renault |
| Builddate: | 1952 |
| Totalproduction: | 1 |
| Uicclass: | B′B′ |
| Wheelbase: | 2.6m (08.5feet), truck |
| Pivotcentres: | 9frac=8NaNfrac=8 |
| Length: | 15frac=8NaNfrac=8 over Headstocks 15.96frac=8NaNfrac=8 over Buffers |
| Width: | 2.7frac=8NaNfrac=8 |
| Height: | 3.6frac=8NaNfrac=8 |
| Axleload: | 13.375t |
| Locoweight: | 53.5t |
| Fueltype: | Diesel |
| Primemover: | Renault 565, 2 off |
| Enginetype: | V12 Diesel |
| Cylindercount: | 12 |
| Coupling: | Buffers and chain |
| Maxspeed: | 110km/h |
| Poweroutput Start: | 2 x 425abbr=onNaNabbr=on = 850sigfig=3NaNsigfig=3 |
| Poweroutput Cont: | 495sigfig=3NaNsigfig=3 |
| Operator: | SNCF |
| Nicknames: | Birgitte |
| Withdrawndate: | 1970 |
| Disposition: | Scrapped |
SNCF 040.DF was a class of one prototype diesel-hydraulic locomotive built for the SNCF built in 1952 by Renault.
In 1962 it was renumbered from 040.DF.1 to BB 60041.
Like the 060.DA, it was delivered in a livery of dark green with a yellow stripe.
The SNCF 040.DF has been produced in HO scale by ApocopA as a cast resin bodyshell for mounting on an underframe of the modelmakers' choice.