CAT 336


Figure 1: Machine Model Overview
Specification Field Technical Value
Operating Weight 36,800 kg (81,100 lb)
Engine Model Cat C7.1 TTA
Engine Displacement 7.01L
Net Power 300 hp (223.5 kW)l
Maximum Hydraulic Flow 560L/min
Bucket Capacity Around 2.0–2.6 m³ (depending on configuration)
Maximum Digging Depth 8,210mm
Maximum Reach 11,760mm

CAT 336 Excavator – Specifications, Overview, Pros & Cons (Real User Experience)

5

Overview

The CAT 336 is Caterpillar's premium 36-ton hydraulic crawler excavator, designed for heavy-duty earthmoving, quarrying, road construction, utilities, demolition, and large infrastructure projects.

Compared to previous 336E and 336F models, the Next Generation 336 introduced:

  • Smart hydraulic system
  • Cat Grade with 2D (standard)
  • Cat Payload
  • E-Fence safety system
  • VisionLink fleet management
  • Better fuel efficiency
  • Improved operator comfort
  • Reduced maintenance costs

According to Caterpillar, the 336 is designed to lower cost per cubic yard while improving productivity through integrated machine technology.

Applications

The CAT 336 is commonly used for:

  • Heavy excavation
  • Quarry operations
  • Highway construction
  • Bridge projects
  • Utility trenching
  • Demolition
  • Pipeline installation
  • Mining support
  • Large earthmoving

Advantages

1. Excellent Fuel Efficiency

The Smart Mode automatically adjusts engine and hydraulic power to reduce fuel consumption while maintaining productivity.

2. Powerful Hydraulics

Strong breakout force and smooth hydraulic response make it effective in hard digging conditions.

3. Comfortable Cab

Operators often praise the spacious cab, low noise levels, good visibility, and ergonomic controls.

4. Built-in Technology

Features like Grade Assist, Payload, E-Fence, and VisionLink reduce rework and improve efficiency.

5. Strong Dealer Support

One of CAT's biggest strengths is its global dealer network and parts availability.

Disadvantages

1. High Purchase Price

The CAT 336 typically costs more than comparable excavators from brands such as Hyundai, SANY, or XCMG.

2. Expensive Genuine Parts

OEM CAT parts and dealer servicing can be costly compared with some competitors.

3. Electronics Learning Curve

Operators transitioning from older excavators may need time to become familiar with the machine's technology.

4. Premium Features May Be Underused

If your work doesn't benefit from grade control or payload systems, some of the advanced features may not provide enough value to justify the extra cost.

User Experiences

Across construction and heavy equipment communities, several themes appear consistently.

What operators like

  • The factory-integrated Grade and Payload systems improve accuracy and reduce the need for aftermarket upgrades.
  • Many users report excellent hydraulic smoothness and precise controls.
  • Owners frequently mention the strong support from CAT dealers and widespread parts availability.
  • Some operators consider the 336 one of their favorite excavators in its size class.

Common criticisms

  • The purchase price is among the highest in the class.
  • Repair and maintenance costs can be higher than some competing brands.
  • Some experienced operators feel the extensive electronic settings are unnecessary and prefer simpler controls, arguing that operator skill matters more than machine customization.

Verdict

Rating: 9.6/10

Best for:

  • Large contractors
  • Earthmoving companies
  • Highway and infrastructure projects
  • Quarry operators
  • Fleet owners who benefit from integrated machine technology

Strengths:

  • Outstanding productivity
  • Fuel-efficient operation
  • Advanced technology
  • Comfortable operator environment
  • Excellent dealer support

Weaknesses:

  • High upfront investment
  • Premium maintenance costs
  • Advanced features may exceed the needs of smaller contractors

Overall, the CAT 336 is widely regarded as one of the benchmark excavators in the 35–40 ton class, particularly for contractors who can take advantage of its integrated technology and long-term support network.