Used 1970 Antique Caterpillar D4D Forestry Dozer With Winch And Sweeps For Sale

Cat 3304 75hp. 5-Speed. Winch. Sweeps. Clutch Steering. 8'6" Blade. Excellent Undercarriage. 17,000 lbs. Runs and Operates Exceptionally Well.

If you’re searching for 1970 Cat D4D weight, this 1970 Caterpillar D4D Forestry Dozer weighs about 17,000 lbs with the winch and sweeps installed. That puts it in a useful size range for landowners, farmers, forestry contractors, excavation contractors, property maintenance buyers, and antique equipment collectors who want a compact, mechanically simple dozer for clearing, grading, trail-building, or woods work without stepping up to a much larger machine.

This is a working forestry dozer, not a restoration project. The 1970 Caterpillar D4D listed here has been operated by the same owner since 2016, is equipped with a winch and sweeps, carries an excellent undercarriage, and is priced to sell. For buyers comparing older used dozers, the details that matter are weight, engine and drivetrain specs, forestry equipment, undercarriage condition, transport requirements, and overall buying value; those are the points this article focuses on, along with financing options for putting an older, reliable machine to work.

What You're Getting: Including the Angle Blade

The core specs on this D4D:

• Year: 1970

• Make / Model: Caterpillar D4D Crawler Dozer

• Stock #: GLC-D4D70

• Serial / VIN: 82J2363

• Engine: Cat 3304, 75hp

• Transmission: 5-Speed

• Blade Width: 8 ft 6 in

• Operating Weight: 17,000 lbs

• Dimensions: 15 ft L x 8 ft 6 in W x 8 ft 5 in H

• Undercarriage: Excellent Condition

• Features: Winch, Sweeps, Clutch Steering

• Condition: Runs and operates exceptionally well

• Financing: Available — fast, easy apply and approval

Hours were unavailable at the time of photos. Confirm directly with the seller when you call.

Why the Undercarriage Matters More Than Any Other Line Item

On any used crawler dozer, the undercarriage is the number to scrutinize. A machine with low hours and a worn undercarriage will cost you $25,000 to $40,000 before you turn a blade. A machine with high hours and a strong undercarriage is often the smarter buy.

This D4D is listed with an excellent undercarriage. That is not a throwaway adjective — it is the single most significant cost driver on any tracked machine, and the seller is inviting you to come run it yourself. Take that offer. A pre-buy inspection on a $14,000 dozer is worth every hour of travel time.

The Cat 3304 Engine: Proven Power in a Simple Package

The Cat 3304 is a four-cylinder, naturally aspirated diesel that Caterpillar built for decades. It is not complicated. It does not require sophisticated diagnostics or dealer-only service. A qualified mechanic who has touched Cat iron before can work on this engine. Parts remain available.

At 75 horsepower, the 3304 moves this D4D tractor with authority through dirt, brush, and timber terrain, and it was designed for heavy-duty earthmoving tasks. It is not oversized — which is part of the appeal. Compact machines with simple mechanicals are faster to service, cheaper to maintain, and easier to transport.

The 5-speed transmission pairs cleanly with clutch steering, giving the operator direct, mechanical control without the hydraulic complexity of more modern systems. For buyers who run remote job sites or manage their own maintenance, that simplicity is a feature, not a limitation.

Winch and Sweeps: The Forestry Configuration That Matters

A standard dozer without a winch is a pushing machine. A dozer with a winch is a pushing and pulling machine. That distinction matters the moment you are moving timber, recovering stuck equipment, or clearing a trail through dense brush.

The winch on this D4D extends the machine's usable range of work significantly. It is already installed and functional — you are not paying to retrofit it later.

The sweeps serve a different purpose: they protect the operator and the machine in heavy brush and light timber work. Branches, debris, and overhead material that would otherwise damage the cab or strike the operator are deflected by the sweeps. In forestry applications, this is standard protection. On a used machine at this price point, having sweeps already installed saves you both money and downtime.

This combination — winch, sweeps, clutch steering — is what makes this D4D a legitimate forestry dozer rather than a general-purpose machine trying to do woods work, and an angle blade was another notable D4D attachment for adding versatility in the field.

Who Should Be Looking at This Machine

This D4D is the right fit for a specific buyer. If you match one or more of these profiles, this machine is worth a call:

• Landowners and farmers who need a compact, capable dozer for trail building, grading farm roads, clearing fence lines, and general property maintenance

• Forestry contractors running smaller operations where a compact mechanical dozer is more practical than a large, GPS-equipped modern machine

• Excavation contractors who need a secondary dozer for lighter clearing work without tying up capital on a modern unit

• Property maintenance buyers managing estates, timberland, or rural acreage who need dependable dirt-moving capability on demand

• Antique equipment collectors looking for a working, original D4D with documented operational history and forestry configuration

If you need a machine that can push material, pull timber, clear brush, build trails, and handle light grading, making it the right choice for those jobs on a single piece of equipment with mechanical simplicity and a $14,000 price tag, this D4D fits that description directly.

The 1970 Caterpillar D4D: What the Model Represents

The D4D is part of the D4 series, a line Caterpillar built across several decades that became one of the most recognized compact crawler dozers in North American equipment history. The D4D designation refers specifically to the variant equipped with the 3304 engine and direct-drive or power shift transmission options. This unit runs a 5-speed mechanical setup, which places it in the direct-drive configuration.

Operating weight on D4D units varies by configuration — ranging from approximately 13,100 pounds for stripped Direct Drive models up to approximately 18,240 pounds for fully equipped versions. At 17,000 pounds with a winch and sweeps installed, this machine sits in the upper-mid range of its class, giving it more dozing authority than a base model while remaining compact enough for tight forestry terrain.

The 8 ft 6 in blade is practical for this weight class. Wide enough to move meaningful volumes of material, narrow enough to maneuver between trees without constant repositioning. For the applications this D4D is built for — trail work, brush clearing, grading, pulling — the blade width is well-matched.

Buying a 1970 Machine: What to Check Before You Commit

Buying a 55-year-old dozer requires a different approach than buying a modern machine with telematics and dealer service records. Here is what to focus on:

1. Run it yourself. The seller explicitly invites this. Do not skip it. Listen for smoke, unusual noise, rough idling, or hesitation under load. A healthy 3304 starts cleanly and runs smoothly.

2. Walk the undercarriage. Check track tension, link wear, pad thickness, roller seals, and final drive condition. The listing says excellent — verify that claim in person. It is the highest-cost replacement item on the machine.

3. Check the winch. Engage it under load. Inspect the cable for kinks, fraying, or flat spots. Confirm the clutch and brake function properly.

4. Inspect the sweeps. Look for cracks, missing fasteners, or damage that would require replacement before the machine goes to work.

5. Confirm blade condition. Look at the cutting edge wear, the blade curl, and the lift cylinder seals.

6. Ask about service history. The current owner has run this machine since 2016. Nine-plus years of single-owner operation on a working machine typically means the operator knows its quirks. Ask what has been replaced, what has been serviced, and whether any radiator work or replacement was done during ownership, plus what, if anything, was flagged at the last inspection.

A pre-buy inspection on a machine at this price is not optional — it is the minimum due diligence that separates a good purchase from an expensive one.

Transport Considerations

At 17,000 pounds with dimensions of 15 ft L x 8 ft 6 in W x 8 ft 5 in H, this D4D moves on a standard equipment trailer. A 20-ton lowboy or heavy-duty equipment trailer handles the weight comfortably. Width at 8 ft 6 in sits at the standard transport limit — confirm with your hauler before booking.

The machine is located in Chester, NJ 07930. Factor transport cost into your total acquisition number by planning early to find a hauler and compare quotes from transport companies before committing. For customers shopping freight, comparing options close to Chester, NJ can save time and money. At $14,000 plus reasonable regional transport costs, the all-in figure for a working forestry dozer in this configuration is competitive with what comparable machines bring at auction.

Financing Available

Capital tied up in equipment cannot be deployed elsewhere. Financing is available on this unit through a fast, easy application and approval process. Contact Jay Trevorrow for details: (973) 886-3020.

The Bottom Line

A 1970 Caterpillar D4D with a Cat 3304 75hp engine, 5-speed transmission, clutch steering, winch, sweeps, 8 ft 6 in blade, excellent undercarriage, and single-owner operational history since 2016 — priced at $14,000 — is a straightforward value proposition for buyers who know what this machine is and what it can do.

The seller is not asking you to take their word for it. They are inviting you to come run it yourself. That kind of transparency in a used equipment listing is worth something.

Do your pre-buy inspection. Walk the undercarriage. Run the winch. If it checks out, this machine earns its place on a working property or forestry operation for years.

Call Jay Trevorrow at (973) 886-3020. Voicemail or text accepted. Email: jay@ironmartonline.com. Chester, NJ 07930.