US
Metric

Overview

The D Series incorporates innovations for improved performance, rugged durability and maximum productivity.

Engine

Engine Model
Cat® C7 ACERT™
Net Flywheel Power
204.00 hp
152.00 kW
ISO 9249
204.00 hp
152.00 kW
SAE J1349
204.00 hp
152.00 kW
Bore
4.30 in
110.00 mm
Stroke
5.00 in
127.00 mm
Displacement
440.00 in3
7.20 L

Weights

General Forestry (HW)
81466.00 lb
36952.00 kg
Log Loader (U/U)
92786.00 lb
42087.00 kg
Log Loader (O/U)
92229.00 lb
41834.00 kg

Swing Mechanism

Swing Torque - General Forestry
63664.00 lb ft
86.30 kN·m
Swing Speed - General Forestry
10.00 RPM
10.00 RPM

Drive

Maximum Drawbar Pull
71264.00 lb
317.00 kN
Turtle Travel Speed
1.55 mph
2.49 km/h
Rabbit Travel Speed
3.00 mph
4.83 km/h

Service Refill Capacities

Fuel Tank
137.40 gal
520.00 L
Fuel Tank - Optional Auxiliary Right Front
108.30 gal
410.00 L
Optional Counterweight with Fuel Tank
129.50 gal
490.00 L
Maximum Fuel with all Optional Tanks
375.20 gal
1420.00 L
Cooling System
7.90 gal
30.00 L
Engine Oil
9.00 gal
34.00 L
Swing Drive
2.60 gal
10.00 L
Hydraulic System (including tank)
68.70 gal
260.00 L
Hydraulic Tank
38.00 gal
145.00 L
Final Drive (each)
2.00 gal
8.00 L

Standards

Brakes
SAE J1026 APR90
FOPS
ISO 3449:2005 (LEVEL II), ISO 8083:2006
Cab ROPS/FOGS/OPS/TOPS/FOPS
SAE J1356 FEB88 SAE J1084/ISO 8084/ROPS: ISO 8082-2 OR-OSHA 437-007-0775/WCB G602, G603, G604, G608

Hydraulic System

Main Implement System - Maximum Flow (2x)
62.10 gal/min
235.00 L/min
Max. pressure - Implements
5075.00 psi
3500.00 kPa
Max. pressure - Travel
5075.00 psi
35000.00 kPa
Max. pressure - Swing
3988.00 psi
27500.00 kPa
Pilot System - Maximum Flow
9.50 gal/min
36.00 L/min
Pilot System - Maximum Pressure
597.00 psi
4120.00 kPa
Boom Cylinder - Bore
5.50 in
140.00 mm
Boom Cylinder - Stroke
55.40 in
1407.00 mm
Stick Cylinder - Bore
5.90 in
150.00 mm
Stick Cylinder - Stroke
64.80 in
1646.00 mm

Excavator Linkage

CB2 Family Bucket Cylinder - Bore
5.30 in
135.00 mm
CB2 Family Bucket Cylinder - Stroke
45.50 in
1156.00 mm

Log Loader Linkage

Boom Cylinder - Bore
5.90 in
150.00 mm
Boom Cylinder - Stroke
55.10 in
1400.00 mm
Stick Cylinder - Bore
7.10 in
180.00 mm
Stick Cylinder - Stroke
65.00 in
1650.00 mm
Under/Under Heel Cylinder - Bore
5.90 in
150.00 mm
Under/Under Heel Cylinder - Stroke
45.50 in
1155.00 mm
Over/Under Heel Cylinder - Bore
6.30 in
160.00 mm
Over/Under Heel Cylinder - Stroke
57.70 in
1465.00 mm
Sales Features

Power Train

The Cat® C7 has exceptional power and fuel efficiency unmatched in the industry for consistently high performance in both forestry and millyard applications.

Hydraulics

Cat® hydraulics provide the power and control needed for a variety of applications.

Operator Comfort

The purpose built forestry cab interior layout maximizes operator space, provides exceptional comfort, provides excellent sightlines and reduces operator fatigue.

Structures

Purpose-built forest applications with reinforced carbody, rugged swing bearing, heavy doors and extra guarding.

Guarding

Cat guarding protects your forestry machine investment.

Undercarriage

Durable undercarriage absorbs stresses and provides strong travel power and excellent stability.

Versatility

A wide selection of Forest Machine configurations meet diverse forestry applications and improve your productivity.

Cat Grapples, SATCO Heads

Cat Forest Machines combined with Cat Log Loading Grapples mean optimal performance, reliability and on-the-job productivity.

Owning and Operating Costs

Cat Forest Machines provide the best value for your forestry and millyard applications.

Serviceability

Easy to access, easy to maintain.

Customer Focus

Cat dealer services help you operate longer with lower costs.
Standard Equipment
  • Electrical
    • 80 Ampere alternator
    • 4 Front working lights, cab top mounted
    • 2 Front working lights, RF corner guard
    • 2 Front working lights, riser mounted
    • 2 Front working lights, stick/boom mounted
    • 1 Left side working light, cab mounted
    • 1 Rear working light, cab mounted
    • Horn
    • Product Link (PL 321 SR)
  • Operator Environment
    • Purpose built forestry cab with 8 lights and all scratch resistant polycarbonate windows
    • Air suspension seat with adjustable armrest, retractable seatbelt, headrest and lumbar support
    • Integrated seat, console and joystick type controls
    • Language display monitor with gauges
    • Warning information • Filter/fluid change information • Working hour information • Machine condition • Error code and tool mode setting information • Start up level check for hydraulic oil, engine oil and engine coolant
    • Full time clock on monitor (2 weeks)
    • Seat mounted joystick with extra functions for grapple
    • Fixed polycarbonate skylight with retractable sun shade
    • Interior lighting
    • Lower and upper windshield wipers and washer
    • Positive filtered ventilation, pressurized cab with bi-level air conditioner, heater and defroster with manual control
    • Forced air fan
    • Left side fresh air window with screen
    • Behind seat storage tray with tie down points
    • 1 Fire extinguisher mount
    • Secondary roof exit openable from inside and outside
    • 2 Coat hooks
    • Literature holder
    • Cup holder
    • Neutral lever for all controls
    • Travel control pedals with removable hand levers
    • Washable floor mat
    • Radio/CD player (12V)
    • 1 Converter/2 sockets - 12V-10A power supply
  • Power Train
    • Cat C7 with ACERT™ Technology U.S. EPA emissions compliant with 24-volt electric starting and air intake heater
    • Automatic engine speed control with one touch low idle
    • Two speed auto-shift travel
    • Water separator in fuel line
    • Easy clean swing out radiator door screen
    • Muffler
  • Undercarriage
    • Hydraulic track adjusters
    • 349 HE GLT4 undercarriage with grease lubricated seals
    • Idler and full-length track shoe support
  • Other Standard Equipment
    • Heavy-duty upper frame with catwalks, bottom guards, heavy duty side doors
    • Core hydraulic lines and controls with standard main valves on upper structures
    • Door locks, cap locks and Cat one key security system
    • Automatic swing parking brake
    • Travel alarm
    • Counterweight with lifting eye
    • Right front corner guard with tree deflector
  • 325D FM General Forestry Arrangement also includes:
    • Forestry cab, hydraulic tilt 0.46 m (18 inch) riser
    • High-wide undercarriage
    • High drawbar
    • Heavy-Duty recoil springs
    • Heavy-Duty track roller frame
    • Heavy-Duty travel motor covers
    • Heavy-Duty swivel guard
    • Forestry Heavy-Duty upper frame with catwalk
    • Heavy-Duty bottom guard
    • Heavy-Duty side doors
    • Right front corner guard
    • Travel alarm and full length shoe support
  • 325D FM Log Loader Arrangement also includes:
    • Forestry cab, side entry
    • Hydraulic tilt 1.2 m (48 inch) riser
    • High-wide undercarriage
    • High drawbar
    • Heavy-Duty recoil springs
    • Heavy-Duty track roller frame
    • Heavy-Duty travel motor covers
    • Grapple/rotator hydraulic arrangement
    • Heavy-Duty swivel guard
    • Forestry Heavy-Duty upper frame with catwalk
    • Heavy-Duty bottom guard
    • Heavy-Duty side doors
    • Right front corner guard with tree deflector
    • Travel alarm and full length shoe support
    • Auxiliary hydraulic pump
  • 325D FM Log Loader Arrangement for AEM Cab also includes:
    • AEM cab platform (no cab)
    • High-wide undercarriage
    • High drawbar
    • Heavy-Duty recoil springs
    • Heavy-Duty track roller frame
    • Heavy-Duty travel motor covers
    • Grapple/rotator hydraulic arrangement
    • Heavy-Duty swivel guard
    • Forestry Heavy-Duty upper frame with catwalk
    • Heavy-Duty bottom guard
    • Heavy-Duty side doors
    • Right front corner guard with tree deflector
    • Travel alarm
    • Full length shoe support
    • Counterweight with fuel tank
    • Right front corner fuel tank
    • Auxiliary hydraulic pump
Optional Equipment
  • Front Linkage: For General Forestry
    • Reach Boom 6.2 m (20 ft 2 in)
    • Reach Stick 3.2 m (10 ft 6 in)
    • Mass Boom 5.5 m (18 ft 2 in)
    • Mass Stick 3.2 m (10 ft 6 in)
    • Bucket Linkage CB2 Family
  • Front Linkage: For Log Loader
    • Over/Under Boom/Stick/Heel Linkage 12.8 m (42 ft 0 in)
    • Under/Under Boom/Stick/Heel Linkage 12.2 m (40 ft 0 in)
    • Butt-n-Top Boom/Stick Linkage 11.3 m (37 ft 0 in)
    • Stick Cylinder Guard
  • Hydraulic Arrangements: For General Forestry
    • Rotating Grapple
    • Butt-n-Top Grapple (also available on Log Loader)
    • Thumb
  • Auxiliary Hydraulic Lines: For General Forestry
    • Auxiliary Lines High Pressure (HP) and Medium Pressure (MP), Reach and Mass Boom
    • Auxiliary Lines High Pressure (HP) and Medium Pressure (MP) Reach and Mass Stick
  • Engine/Power Train
    • Prefilter, air
    • Cold Weather Starting Aid
    • Extended Life Cooling with 50% concentration of protection -34° C (-30º F)
  • Undercarriage (Track Shoes)
    • 700 mm (28 in) Double Grouser Shoes with Trap Holes
    • 850 mm (34 in) Heavy-Duty Triple Grouser Shoes with Trap Holes
  • General Optional Equipment
    • Auxiliary Pump Driver (for additional pump) for General Forestry (standard on log loader)
    • Right Front Corner Fuel Tank (additional 409 L - 108 gal)
    • Counterweight with Fuel Tank Adds (492 L - 130 gal)
    • Heavy Counterweight (additional 2960 kg - 4,620 lb). For General Forestry (Standard on Log Loader).
    • GLL Family Grapples for Log Loader
    • AEM Cab Installation Kit for Log Loader AEM Cab