1/12/2025
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Martin Marietta Materials Incorporated
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Rollingstock
Martin Marietta Materials Incorporated
Rolling Stock Photographic Roster
Reporting Marks: MWAX
Click on a item to view pictures
Roster Links:
AAR Type Home
Rolling Stock Home
MWAX Main Roster
MWAX Grouped By AAR Type
MWAX Grouped By Type
MWAX Grouped By Range
Show All Thumbs
MWAX Locomotives
Unit #
Type
AAR Type
AAR Class
Owner Class
Plate
Dry Cap
Notes
# Pictures
MWAX 4359
Open Hopper
H350
HT
B
2400
1
MWAX 4372
Open Hopper
H350
HT
B
2400
1
MWAX 4402
Open Hopper
H350
HT
B
2430
1
MWAX 4412
Open Hopper
1
MWAX 4415
Open Hopper
1
MWAX 4435
Open Hopper
2
MWAX 4436
Open Hopper
1
MWAX 4450
Open Hopper
1
MWAX 4457
Open Hopper
1
MWAX 4464
Open Hopper
1
MWAX 4479
Open Hopper
H350
HT
B
1
MWAX 4493
Open Hopper
1
MWAX 4522
Open Hopper
H350
HT
B
2400
1
MWAX 4536
Open Hopper
H350
HT
B
2400
2
MWAX 4538
Open Hopper
H350
HT
B
2400
{to GACX 62716 now HKGX 90058} Blt. 5/08
1
MWAX 4555
Open Hopper
H350
HT
B
2400
{now GACX 55072}
2
MWAX 4556
Open Hopper
H350
HT
B
2400
Load Limit: 231000
1
MWAX 4573
Open Hopper
H350
HT
B
2400
Load Limit: 229300
1
MWAX 4574
Open Hopper
H350
HT
B
2400
Load Limit: 229300
1
MWAX 4575
Open Hopper
H350
HT
B
2400
Load Limit: 229300
1
MWAX 4597
Open Hopper
H350
HT
B
2400
{now GACX 55089}
1
MWAX 4599
Open Hopper
H350
HT
B
2400
{now GACX 55090}
1
MWAX 4600
Open Hopper
H350
HT
B
2400
{now GACX 55091}
1
MWAX 4781
Open Hopper
H350
HT
B
1
MWAX 5014
Open Hopper
H350
HT
B
2400
1
MWAX 5019
Open Hopper
H350
HT
B
2400
Load Limit: 230700
2
MWAX 5021
Open Hopper
H350
HT
B
2400
1
MWAX 5025
Open Hopper
H350
HT
B
2400
1
MWAX 5026
Open Hopper
H350
HT
B
2400
1
MWAX 5029
Open Hopper
H350
HT
B
1
MWAX 5031
Open Hopper
H350
HT
B
2400
1
MWAX 5032
Open Hopper
H350
HT
B
2400
1
MWAX 5035
Open Hopper
H350
HT
B
2400
1
MWAX 5037
Open Hopper
H350
B
2400
1
MWAX 5037
Open Hopper
H350
B
2400
1
MWAX 5045
Open Hopper
H350
HT
B
2400
1
MWAX 5050
Open Hopper
H350
HT
B
2400
1
MWAX 5052
Open Hopper
H350
HT
B
2400
1
MWAX 5053
Open Hopper
H350
HT
B
2400
1
MWAX 5062
Open Hopper
H350
B
2400
1
MWAX 5062
Open Hopper
H350
B
2400
1
MWAX 5063
Open Hopper
H350
HT
B
2400
1
MWAX 5065
Open Hopper
H350
HT
B
2400
1
MWAX 5150
Open Hopper
1
MWAX 5152
Open Hopper
1
MWAX 5183
Open Hopper
1
MWAX 5229
Open Hopper
K384
HMA
B
2480
1
MWAX 5251
Ballast Hopper
K384
HMA
B
2480
1
MWAX 5327
Open Hopper
K384
HMA
B
1
MWAX 5504
Gondola
J301
GT
B
1
MWAX 5505
Gondola
J301
GT
B
1
MWAX 5506
Gondola
J301
GT
B
1
MWAX 5508
Gondola
J301
GT
B
1
MWAX 5510
Gondola
J301
GT
B
2
MWAX 5511
Gondola
J301
GT
B
1
MWAX 5516
Gondola
J301
GT
B
1
MWAX 5522
Gondola
J301
GT
B
2
MWAX 5523
Gondola
J301
GT
B
1
MWAX 5524
Gondola
J301
GT
B
1
MWAX 5527
Gondola
J301
GT
B
2
MWAX 5542
Gondola
J301
GT
B
1
MWAX 5543
Gondola
J301
GT
B
1
MWAX 5547
Gondola
J301
GT
B
1
MWAX 5548
Gondola
J301
GT
B
1
MWAX 5551
Gondola
J301
GT
B
1
MWAX 5554
Gondola
J301
GT
B
1
MWAX 5556
Gondola
J301
GT
B
1
MWAX 5558
Gondola
J301
GT
B
1
MWAX 5701
Gondola
J301
GT
B
2
MWAX 5702
Gondola
J301
GT
B
1
MWAX 5703
Gondola
J301
GT
B
1
MWAX 5708
Gondola
J301
GT
B
1
MWAX 5709
Gondola
J301
GT
B
MWAX 5709
Gondola
J301
GT
B
1
MWAX 5710
Gondola
J301
GT
B
1
MWAX 5719
Gondola
J301
GT
B
1
MWAX 5719
Gondola
J301
GT
B
MWAX 5726
Gondola
J301
GT
B
1
MWAX 5729
Gondola
1
MWAX 5730
Gondola
J301
GT
B
1
MWAX 5731
Gondola
J301
GT
B
1
MWAX 5731
Gondola
J301
GT
B
MWAX 5737
Gondola
J301
GT
B
1
MWAX 5740
Gondola
J301
GT
B
MWAX 5742
Gondola
1
MWAX 5744
Gondola
J301
GT
B
MWAX 5745
Gondola
J301
GT
B
1
MWAX 5755
Gondola
J301
GT
B
1
MWAX 5756
Gondola
J301
GT
B
1
MWAX 5759
Gondola
J301
GT
B
1
MWAX 5759
Gondola
J301
GT
B
MWAX 5760
Gondola
J301
GT
B
1
MWAX 5761
Gondola
J301
GT
B
1
MWAX 5763
Gondola
J301
GT
B
MWAX 5766
Gondola
J301
GT
B
1
MWAX 5773
Gondola
J301
GT
B
MWAX 5777
Gondola
J301
GT
B
1
MWAX 5783
Gondola
J301
GT
B
1
MWAX 5783
Gondola
J301
GT
B
MWAX 5784
Gondola
J301
GT
B
1
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