I chased the 611 this weekend and got a couple surprises.
(https://c2.staticflickr.com/4/3781/19398302965_4f26fbf077_b.jpg) (https://flic.kr/p/vyanDp)A surprise on the 815! (https://flic.kr/p/vyanDp) by Justin Cartwright (https://www.flickr.com/photos/thevarailfan/), on Flickr
(https://c2.staticflickr.com/4/3708/18775769894_78c8643093_b.jpg) (https://flic.kr/p/uB9JfA)Billowing By (https://flic.kr/p/uB9JfA) by Justin Cartwright (https://www.flickr.com/photos/thevarailfan/), on Flickr
(https://c1.staticflickr.com/1/393/19392286972_35c2a4e290_b.jpg) (https://flic.kr/p/vxCxio)Still a Rollin' (https://flic.kr/p/vxCxio) by Justin Cartwright (https://www.flickr.com/photos/thevarailfan/), on Flickr
(https://c1.staticflickr.com/1/350/19211307810_865fee6f4a_b.jpg) (https://flic.kr/p/vgCYv1)N&W 611 "The Pelican" (https://flic.kr/p/vgCYv1) by Justin Cartwright (https://www.flickr.com/photos/thevarailfan/), on Flickr
(https://c1.staticflickr.com/1/489/19392710082_b346a8f207_b.jpg) (https://flic.kr/p/vxEH5o)Through the S at Christiansburg (https://flic.kr/p/vxEH5o) by Justin Cartwright (https://www.flickr.com/photos/thevarailfan/), on Flickr
(https://c1.staticflickr.com/1/414/19372827036_a47dd7c609_b.jpg) (https://flic.kr/p/vvUNxf)Rainy Commitment (https://flic.kr/p/vvUNxf) by Justin Cartwright (https://www.flickr.com/photos/thevarailfan/), on Flickr
(https://c1.staticflickr.com/1/404/19381966206_b71b623e58_b.jpg) (https://flic.kr/p/vwHDi9)KCS 4031 (EMD SD70ACe) (https://flic.kr/p/vwHDi9) by Justin Cartwright (https://www.flickr.com/photos/thevarailfan/), on Flickr
(https://c2.staticflickr.com/4/3842/19412181151_7285e2e15c_b.jpg) (https://flic.kr/p/vzov9t)611... Almost... (https://flic.kr/p/vzov9t) by Justin Cartwright (https://www.flickr.com/photos/thevarailfan/), on Flickr
(https://c1.staticflickr.com/1/418/18785517614_1e9aef249b_b.jpg) (https://flic.kr/p/uC1FUJ)SD9043MAC's, SD9043MAC's everywhere! (https://flic.kr/p/uC1FUJ) by Justin Cartwright (https://www.flickr.com/photos/thevarailfan/), on Flickr
Those were some nice surprises. Looks like you could eat of the Heritage unit.