4018-03-L
BullFrog Straddle Type Rerailer 90-142 lbs. Rail – Left
BullFrog straddle rerailers use armor-grade steel plate and broad tie-bearing surfaces to support rerailing of standard-size freight cars and locomotives.
Equipment catalog
Rail safety equipment catalog
Browse Aldon chocks, skates, stops, derails, rerailers and related accessories. Search by model number or start with a category.
Browse by equipment type
Railcar wheel chocks
Steel and urethane models for exposed or flush rail.
Railroad derails
Portable, hinged and sliding track protection.
Rerailers
Straddle, BullFrog, Burlington, McCarty and diamond.
Stops, skates & skids
Compare car stops, chocking skates and bumping posts.
Truck wheel chocks
Wheel blocks and handle options for loading docks.
Signs & accessories
Derail signs, locks, shims and replacement parts.
All catalog models
140 products · Compare models and add items to your quote.
4011-06
Double Railroad Wheel Chock with Flag (Exposed Rail)
Aldon’s double steel wheel chock for exposed rail uses a replaceable traction spur to grip the rail while securing a freight car…
4014-08-S
Portable Two-Way Locomotive Derail
A SaberTooth portable two-way derail for freight cars and four- or six-axle locomotives.
4016-10
S-61 Standard Duty Rail Skate (Exposed Rail)
A standard-duty flat-top rail skate for slowing one freight car at a time on level exposed track.
4011-01
Single Railroad Wheel Chock with Flag (Exposed Rail)
Aldon’s single steel wheel chock for exposed rail uses a replaceable traction spur to grip the rail while securing a freight car…
Burlington
“Burlington” Style Freight Car Rerailer
Double-ended Burlington-style rerailers clamp to the rail with wedges to resist slipping or kicking out.
4018-04-I
“Burlington” Style Rerailer Rail Size 100-140 lbs (Inside)
Double-ended Burlington-style rerailers clamp to the rail with wedges to resist slipping or kicking out.
4018-04-O
“Burlington” Style Rerailer Rail Size 100-140 lbs (Outside)
Double-ended Burlington-style rerailers clamp to the rail with wedges to resist slipping or kicking out.
4011-08
“C-2” Double Chock with Tightener, Padlock & Flag
Aldon’s double steel wheel chock for exposed rail uses a replaceable traction spur to grip the rail while securing a freight car…
4012-02
(AL-107) Trailer Flag & Wheel Block “HWC” Style
The AL-107 combines an HWC-style trailer wheel block with a flag and a 23-inch handle for placement without kneeling.
557-7669
18″ Dia. Purple Derail Target, UPRR STD DWG 2100
An 18-inch purple, double-sided derail target identified by Aldon for Union Pacific Standard Drawing 2100 and part number 557-7669.
4012-04
AL-96 Ductile Iron Block
The AL-96 ductile-iron block is intended for truck and semi-trailer applications involving heavy loads and vibration.
4012-11
Aluminum Walk In Wheel Block
This aluminum Walk-In wheel block combines an upright handle and sign so it can be placed without stooping.
4115-155
BNSF Style #28. 16-Inch Round, Single-Face Derail Sign
A BNSF Style 28, 16-inch round derail sign with a black D on a white background.
4115-153
BNSF Style #28. 16″ Round, Double-Face Derail Sign
A BNSF Style 28, 16-inch round derail sign with a black D on a white background.
BullFrog Straddle Type Rerailer
BullFrog Straddle Type Rerailer 90-142 lbs. Rail
BullFrog straddle rerailers use armor-grade steel plate and broad tie-bearing surfaces to support rerailing of standard-size freight cars and locomotives.
4018-03-R
BullFrog Straddle Type Rerailer 90-142 lbs. Rail – Right
BullFrog straddle rerailers use armor-grade steel plate and broad tie-bearing surfaces to support rerailing of standard-size freight cars and locomotives.
4116-09
Bumping Post Heavy Duty (Heavy Traffic)
A heavy-traffic bumping post for longer trains and frequently used side tracks.
4116-08
Bumping Post Standard (Light Traffic)
A rail-mounted bumping post for light-traffic service sidings and smaller cuts of cars.
6296
Burlington Style Rerailer Super-Duty Wedge
A super-duty replacement wedge for Aldon Burlington-style rerailers.
4011-22
Carrier Bracket for Short-Handle Double Chocks
A carrying bracket for short-handle double wheel chocks.
4016-03
CS-2 Exposed Rail Car Stop
The CS-2 assembles around the head of an exposed rail using five bolts and a rear-driven wedge.
4016-05-L
CS-3X Locking Car Stop (Left)
The left-hand CS-3X bolts through the rail web and folds out toward the field side when not in use.