Compare/Caterpillar D6R Series III vs Caterpillar D7G

Caterpillar D6R Series III vs Caterpillar D7G

Verdict: Caterpillar D6R Series III vs Caterpillar D7G

The Caterpillar D6R Series III and the Caterpillar D7G are both industrial tractors — here is how they stack up on the figures that matter. Caterpillar D7G leads on rated power with 215 hp against 213 hp. Caterpillar D6R Series III is the lighter machine (32,426 kg vs 33,600 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Caterpillar D6R Series III is the newer design (1995 vs 1974). In short: choose the Caterpillar D7G for outright pulling power, or the Caterpillar D6R Series III if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

Caterpillar

Fit score

Best match

Clear

Caterpillar

Fit score

Best match

Clear

Rated power

213 hp

215 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

CaterpillarReference

The D6R Series III was rated at 200 net HP with XL, XW, or LGP undercarriage.Reference

liquid-cooled inlineReference

Drive

crawlerReference

Final drives

single-reduction planetaryReference

—

Engine

Engine (gross)

158.8 kWReference

160.3 kWReference

Engine (net)

138.0 kWReference

149.1 kWReference

Displacement

8.8 LReference

10.5 LReference

Bore/Stroke

112 x 149 mmReference

121 x 152 mmReference

Emissions

Tier IIIReference

—

Power (net)

138.0 kWReference

149.1 kWReference

Power (gross)

158.8 kWReference

160.3 kWReference

Rated RPM

1850Reference

2000Reference

Starter

electricReference

Starter volts

24Reference

Oil capacity

145.7 LReference

70.0 LReference

Coolant capacity

70.0 LReference

45.4 LReference

Transmission

Gears

3 forward and reverseReference

Capacities

Fuel

423.9 LReference

435.3 LReference

PTO & Hydraulics

Hydraulic system

51.5 LReference

90.8 LReference

Type

power shiftReference

Capacity

51.5 LReference

90.8 LReference

Pressure

420.0 barReference

168.9 barReference

Pump flow

216.9 lpmReference

227.1 lpmReference

Dimensions

Weight

32426 to 41148 poundsReference

33600 to 45100 poundsReference

Length

424 cmReference

419 cmReference

6S dozer length

490 cmReference

—

6A dozer length

500 cmReference

—

6SU dozer length

510 cmReference

—

VPAT dozer length

528 cmReference

—

Width

320 cmReference

261 cmReference

Height (ROPS)

320 cmReference

325 cmReference

Height (exhaust)

314 cmReference

334 cmReference

Shipping weight

14708 kgReference

15240 kgReference

Operating weight

18664 kgReference

20457 kgReference

Gauge

228 cmReference

198 cmReference

7S dozer length

—

528 cmReference

7U dozer length

—

576 cmReference

7A dozer length

—

548 cmReference

Caterpillar D6R attachments

Electrical

Charging system

alternatorReference

Charging amps

95Reference

50Reference

Batteries

2Reference

—

Battery volts

12Reference

—

Caterpillar D6R Tracks

Standard width

55 cmReference

—

Standard length on ground

266 cmReference

—

Standard area on ground

3.0 m²Reference

—

Standard ground pressure

0.6 barReference

—

XL width

55 cmReference

—

XL length on ground

287 cmReference

—

XL area on ground

3.2 m²Reference

—

XL ground pressure

0.6 barReference

—

XW width

76 cmReference

—

XW length on ground

287 cmReference

—

XW area on ground

4.4 m²Reference

—

XW ground pressure

0.5 barReference

—

LGP width

91 cmReference

—

LGP length on ground

327 cmReference

—

LGP area on ground

6.0 m²Reference

—

LGP ground pressure

0.4 barReference

—

Caterpillar D7G attachments

Caterpillar D7G Tracks

Length on ground

—

271 cmReference

Area on ground

—

2.8 m²Reference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.