Spener Trailers Inc.

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    0'0"020'0"240

    947028990

    Diamond C  Gooseneck Engineered Beam

    engineered beam
    engineered beam

    Diamond C is forging a new era in flatbed gooseneck and Pintle Hook trailers with the Fleetneck Engineered Beam series. They design, engineer, and optimize our own U.S. Patent Protected ENGINEERED I-BEAMS to fit each Fleetneck model. Fleetnecks are stronger yet lighter, featuring the best strength-to-weight ratios of any steel frame gooseneck trailer on the road – the perfect HOT SHOT TRAILER! Highlighted options include our industry best 12′ Hydraulic Dovetail, 44″ Wide Max Ramps, Air Ride Suspension, Sway Control, Hydraulic Jacks, Blackwood Lumber Flooring, and up to 44′ length and 40K GVWR on select models.

    • Showing 1-21 of 21 items
    • 15 30 60 per page
    2023 Diamond C LPX210   82″x 24′  20k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #66669

    2023 Diamond C LPX210 82″x 24′ 20k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #66669

    Price: $19,600.00 | For sale in Spencer, IN

    82" Wide 21'+ 3' Long (3' Self-Cleaning Dovetail with MAX Ramps) 2- 10000 lb Torsion Axles with Oil ....

    Stock #: 66669

    2023 Diamond C  FMAX212  102″x 40′  25.9k Tandem Axle GooseNeck Flatbed Trailer With MAX Ramps Stock #266416

    2023 Diamond C FMAX212 102″x 40′ 25.9k Tandem Axle GooseNeck Flatbed Trailer With MAX Ramps Stock #266416

    Price: $34,400.00 | For sale in Spencer, IN

    102" Wide 35'+ 5' Long (5' Self-Cleaning Dovetail with MAX Ramps) 2- 12000 lb Axles with Oil Bath 25....

    Stock #: 266416

    2023 Diamond C LPT207  82″x 16′  14.9k Tandem Axle GooseNeck Dump Trailer Stock #68482

    2023 Diamond C LPT207 82″x 16′ 14.9k Tandem Axle GooseNeck Dump Trailer Stock #68482

    Price: $17,700.00 | For sale in Spencer, IN

    82" Wide 16' Long 2- 7000 lb Axles with EZ Lube Hubs 14900 lb GVWR 2- 12000 lb Drop-Leg Jacks 25k Bu....

    Stock #: 68482

    2023 Diamond C LPT208   81″x 16′  18k Tandem Axle GooseNeck Dump Trailer Stock #69657

    2023 Diamond C LPT208 81″x 16′ 18k Tandem Axle GooseNeck Dump Trailer Stock #69657

    Price: $23,800.00 | For sale in Spencer, IN

    81" Wide 16' Long 2- 8000 lb Torsion Axles with Oil Bath Hubs 18000 lb GVWR 12000 lb Drop-Leg Jack 2....

    Stock #: 69657

    2023 Diamond C FMAX216 HDT 102″x 40′  40k Tandem Axle GooseNeck Equipment Trailer With Air Ride Suspension Stock #69824

    2023 Diamond C FMAX216 HDT 102″x 40′ 40k Tandem Axle GooseNeck Equipment Trailer With Air Ride Suspension Stock #69824

    Price: $57,900.00 | For sale in Spencer, IN

    102" Wide 40' Long (28' + 12' Dovetail with Blackwood Runner) 2- 16000 lb Axles with Oil Bath Hubs 7....

    Stock #: 69824

    2023 Diamond C FMAX210  102″x 35′  25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #70458

    2023 Diamond C FMAX210 102″x 35′ 25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #70458

    Price: $23,700.00 | For sale in Spencer, IN

    102" Wide 35' Long (30' + 5' Self-Cleaning Dovetail with MAX Ramps) 2- 10000 lb Axles with EZ Lube H....

    Stock #: 70458

    2023 Diamond C FMAX210  102″x 32′  25k Tandem Axle Gooseneck Equipment Trailer With MAX Ramps Stock #270455

    2023 Diamond C FMAX210 102″x 32′ 25k Tandem Axle Gooseneck Equipment Trailer With MAX Ramps Stock #270455

    Price: $21,995.00 | For sale in Spencer, IN

    102" Wide 32' Long (27' + 5' Self-Cleaning Dovetail with MAX Ramps) 2- 10000 lb Axles with Oil Bath ....

    Stock #: 270455

    2023 Diamond C FMAX210  102″x 25′ 25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270068

    2023 Diamond C FMAX210 102″x 25′ 25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270068

    Price: $18,950.00 | For sale in Spencer, IN

    102" Wide 25' Long (20' + 5' Self-Cleaning Dovetail with MAX Ramnps) 2- 10000 lb Axles with Oil Bath....

    Stock #: 270068

    2023 Diamond C FMAX212  102″x  35′  25.9k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270456

    2023 Diamond C FMAX212 102″x 35′ 25.9k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270456

    Price: $32,650.00 | For sale in Spencer, IN

    102" Wide 35' Long (30' + 5' Self-Cleaning Dovetail with MAX Ramps) 2- 12000 lb Axles with Oil Bath ....

    Stock #: 270456

    2023 Diamond C FMAX212 HDT  102″x 30′  25.9k Tandem Axle GooseNeck Equipment Trailer Stock #270451

    2023 Diamond C FMAX212 HDT 102″x 30′ 25.9k Tandem Axle GooseNeck Equipment Trailer Stock #270451

    Price: $26,850.00 | For sale in Spencer, IN

    102" Wide 30' Long (18' + 12' Dovetail) 2- 12000 lb Axles with Oil Bath Hubs 25900 lb GVWR 2- 12000 ....

    Stock #: 270451

    2023 Diamond C FMAX210 HDT  102″x 35′  25k Tandem Axle GooseNeck Equipment Trailer Stock #270625

    2023 Diamond C FMAX210 HDT 102″x 35′ 25k Tandem Axle GooseNeck Equipment Trailer Stock #270625

    Price: $26,600.00 | For sale in Spencer, IN

    102" Wide 30' Long (20' + 12' Dovetail) 2- 10000 lb Axles with Oil Bath Hubs 25000 lb GVWR 2- 12000 ....

    Stock #: 270625

    2023 Diamond C FMAX210  102″x 32′  25k Tandem Axle Gooseneck Equipment Trailer With MAX Ramps Stock #270552

    2023 Diamond C FMAX210 102″x 32′ 25k Tandem Axle Gooseneck Equipment Trailer With MAX Ramps Stock #270552

    Price: $20,800.00 | For sale in Spencer, IN

    102" Wide 32' Long ( 27' + 5' Self-Cleaning Dovetail with MAX Ramps) 2- 10000 lb Axles with Oil Bath....

    Stock #: 270552

    2023 Diamond C FMAX210  102″x 30′  25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270886

    2023 Diamond C FMAX210 102″x 30′ 25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270886

    Price: $20,500.00 | For sale in Spencer, IN

    102" Wide 30' Long (25' + 5' Self-Cleaning Dovetail with MAX Ramps) 2- 10000 lb Axles with Oil Bath ....

    Stock #: 270886

    2023 Diamond C FMAX212 HDT  102″x 35′  25.9k Tandem Axle GooseNeck Equipment Trailer Stock #271011

    2023 Diamond C FMAX212 HDT 102″x 35′ 25.9k Tandem Axle GooseNeck Equipment Trailer Stock #271011

    Price: $36,950.00 | For sale in Spencer, IN

    102" Wide 35' Long (23'+ 12' Dovetail) 2- 12000 lb Axles with Oil Bath Hubs HD Adjustable Suspension....

    Stock #: 271011

    2023 Diamond C FMAX312 HDT  102″x 44′ Triple Axle GooseNeck Equipment Trailer With Deck On Neck Stock #263853

    2023 Diamond C FMAX312 HDT 102″x 44′ Triple Axle GooseNeck Equipment Trailer With Deck On Neck Stock #263853

    Price: $49,900.00 | For sale in Spencer, IN

    102" Wide 44' Long (32'+ 12' Dovetail) 3- 12000 lb Axles HD Adjustable Suspension 40000 lb GVWR Elec....

    Stock #: 263853

    2023 Diamond C FMAX210 HDT  102″x 32′  25k Tandem Axle GooseNeck Equipment Trailer Stock #270746

    2023 Diamond C FMAX210 HDT 102″x 32′ 25k Tandem Axle GooseNeck Equipment Trailer Stock #270746

    Price: $26,600.00 | For sale in Spencer, IN

    102" Wide 32' Long (20' + 12' Dovetail) 2- 10000 lb Axles with Oil Bath Hubs 20000 lb GVWR 2- 12000 ....

    Stock #: 270746

    2023 Diamond C FMAX210  102″x 28′  25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270887

    2023 Diamond C FMAX210 102″x 28′ 25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270887

    Price: $19,650.00 | For sale in Spencer, IN

    102" Wide 28' Long (23'+ 5' Self-Cleaning Dovetail with MAX Ramps) 2- 10000 lb Axles with Oil Bath H....

    Stock #: 270887

    2023 Diamond C FMAX212 HDT 102″ x 32′  25.9k Tandem Axle Gooseneck Equipment Trailer Stock #269170

    2023 Diamond C FMAX212 HDT 102″ x 32′ 25.9k Tandem Axle Gooseneck Equipment Trailer Stock #269170

    Price: $30,500.00 | For sale in Spencer, IN

    102" Wide 32' Long (20' + 12' Dovetail with Blackwood Runner and 5 Amp Charger) 2- 10000 lb Axles wi....

    Stock #: 269170

    2023 Daimond C FMAX 212 HDT  102″x 35′  25.9k Tandem Axle Equipment Trailer Stock #68841

    2023 Daimond C FMAX 212 HDT 102″x 35′ 25.9k Tandem Axle Equipment Trailer Stock #68841

    Price: $41,600.00 | For sale in Spencer, IN

    102" Wide 35' Long (23' + 12' Hydraulic Dovetail) 2- 12000 lb Axles with Oil Bath Hubs HD Adjustable....

    Stock #: 268841

    2023 Diamond C FMAX212  102″x 35′  25.9k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270549

    2023 Diamond C FMAX212 102″x 35′ 25.9k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270549

    Price: $28,700.00 | For sale in Spencer, IN

    102" Wide 35' Long ( 30' + 5' Self-Cleaning Dovetail with MAX Ramps) 2- 12000 lb Axles with Oil Bath....

    Stock #: 270549

    2023 Diamond C FMAX210  102″x 30′  25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270633

    2023 Diamond C FMAX210 102″x 30′ 25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #270633

    Price: $20,500.00 | For sale in Spencer, IN

    102" Wide 30' Long (25' + 5' Self-Cleaning Dovetail with MAX Ramps) 2- 10000 lb Axles with Oil Bath ....

    Stock #: 270633

    • Showing 1-15 of 15 items
    • 15 30 60 per page