Caterpillar 279D3 specifications
Compact track loader · D3
Caterpillar publishes an operating weight of 10,095 lb / 4,579 kg (inspected ). Evidence
Documented market: North America included; document states Am North, EU, APD, ANZP, HRC.
Key facts
Both unit systems are shown; the selected one comes first. Brackets mark our approximate conversions.
Imperial units first.
- Operating weight
10,095 lb / 4,579 kgPublished
Details and evidence for operating weight- Machine width
78.0 in / 1,981 mmPublished
450 mm tracks
Details and evidence for machine width- Engine power
72.9–74.3 hp / 54.4–55.4 kW
Multiple configurations or rating bases. Distinct printed configurations or rating bases are retained.
- 74.3 hp / 55.4 kWGross Power (SAE J1995:2014)
- 72.9 hp / 54.4 kWNet Power (SAE J1349:2011)*
- 73.7 hp / 54.9 kWNet Power (ISO 9249:2007)*
- Rated operating capacity
2,220 lb / 1,010 kg
35% of tipping load
Multiple configurations or rating bases. Distinct printed configurations or rating bases are retained.
- 2,220 lb / 1,010 kgPublishedRated Operating Capacity at 35% Tipping Load
- 3,170 lb / 1,445 kgPublishedRated Operating Capacity at 50% Tipping Load
- 3,390 lb / 1,540 kgPublishedRated Operating Capacity with Optional Counterweight (at 50%)
The load the manufacturer rates the loader to carry, set as a share of its tipping load.
Details and evidence for rated operating capacity- Tipping load
6,345 lb / 2,885 kgPublished
Details and evidence for tipping load- Standard hydraulic flow
23 gpm / 86 L/min
Standard
Details and evidence for standard hydraulic flow- High hydraulic flow
32 gpm / 121 L/min
High Flow XPS
Details and evidence for high hydraulic flow- Hydraulic pressure
3,336–4,061 psi / 23,000–28,000 kPa
Multiple configurations or rating bases. Distinct printed configurations or rating bases are retained.
- 3,336 psi / 23,000 kPaPublishedStandard / Loader Hydraulic Pressure
- 4,061 psi / 28,000 kPaPublishedHigh Flow XPS / Maximum Loader Hydraulic Pressure
Documented applicability
- Documented market
- North America included; document states Am North, EU, APD, ANZP, HRC.
- Model years
- Not established
- Serial range
- Not established
- Evidence
Detailed specifications
Each row keeps its manufacturer label and configuration. Separate rows do not define one combined machine configuration.
Operating weight
Source-supported
| Observation and evidence | Value |
|---|---|
Operating Weight Printed under Operating Weight. Published: 4579 kg / 10,095 lb | 10,095 lb / 4,579 kgPublished |
Machine width
Source-supported
| Observation and evidence | Value |
|---|---|
14 Vehicle Width (450 mm/17.7 in tracks) Approximate dimensions with the equipment listed in the applicable page footnote. Published: 1981 mm / 78.0 in PDF p. 17 · Dimensions* · 279D3 · 14 Vehicle Width (450 mm/17.7 in tracks) | 78.0 in / 1,981 mmPublished |
Height
Source-supported
| Observation and evidence | Value |
|---|---|
5 Height to Top of Cab Approximate dimensions with the equipment listed in the applicable page footnote. Published: 2113 mm / 83.2 in | 83.2 in / 2,113 mmPublished |
Length with bucket
Source-supported
| Observation and evidence | Value |
|---|---|
4 Length with Bucket on Ground Approximate dimensions with the equipment listed in the applicable page footnote. Published: 3714 mm / 146.2 in PDF p. 17 · Dimensions* · 279D3 · 4 Length with Bucket on Ground | 146.2 in / 3,714 mmPublished |
Length without bucket / attachment
Source-supported
| Observation and evidence | Value |
|---|---|
3 Length without Bucket Approximate dimensions with the equipment listed in the applicable page footnote. Published: 2995 mm / 117.9 in | 117.9 in / 2,995 mmPublished |
Engine power
Source-supported · Distinct printed configurations or rating bases are retained.
| Observation and evidence | Value |
|---|---|
Gross Power (SAE J1995:2014) Printed under Gross Power (SAE J1995:2014). Published: 55.4 kW / 74.3 hp PDF p. 10 · Gross Power (SAE J1995:2014) · 279D3/289D3 · 279D3/289D3 | 74.3 hp / 55.4 kWPublished; unit definition unspecified |
Net Power (SAE J1349:2011)* Printed under Net Power (SAE J1349:2011)*. Published: 54.4 kW / 72.9 hp PDF p. 10 · Net Power (SAE J1349:2011)* · 279D3/289D3 · 279D3/289D3 | 72.9 hp / 54.4 kWPublished; unit definition unspecified |
Net Power (ISO 9249:2007)* Printed under Net Power (ISO 9249:2007)*. Published: 54.9 kW / 73.7 hp PDF p. 10 · Net Power (ISO 9249:2007)* · 279D3/289D3 · 279D3/289D3 | 73.7 hp / 54.9 kWPublished; unit definition unspecified |
Rated operating capacity
Source-supported · Distinct printed configurations or rating bases are retained.
| Observation and evidence | Value |
|---|---|
Rated Operating Capacity at 35% Tipping Load Printed under Rated Operating Capacity at 35% Tipping Load. Published: 1010 kg / 2,220 lb PDF p. 11 · Rated Operating Capacity at 35% Tipping Load · 279D3 · 279D3 | 2,220 lb / 1,010 kgPublished |
Rated Operating Capacity at 50% Tipping Load Printed under Rated Operating Capacity at 50% Tipping Load. Published: 1445 kg / 3,170 lb PDF p. 11 · Rated Operating Capacity at 50% Tipping Load · 279D3 · 279D3 | 3,170 lb / 1,445 kgPublished |
Rated Operating Capacity with Optional Counterweight (at 50%) Printed under Rated Operating Capacity with Optional Counterweight (at 50%). Published: 1540 kg / 3,390 lb PDF p. 11 · Rated Operating Capacity with Optional Counterweight (at 50%) · 279D3 · 279D3 | 3,390 lb / 1,540 kgPublished |
Tipping load
Source-supported
| Observation and evidence | Value |
|---|---|
Tipping Load Printed under Tipping Load. Published: 2885 kg / 6,345 lb | 6,345 lb / 2,885 kgPublished |
Standard hydraulic flow
Source-supported
| Observation and evidence | Value |
|---|---|
Standard / Loader Hydraulic Flow Printed Standard circuit. Unqualified gallons retain the original published basis. Published: 86 L/min / 23 gal/min PDF p. 12 · Hydraulic System – 279D3 and 289D3 / Standard · 279D3 and 289D3 · Loader Hydraulic Flow | 23 gpm / 86 L/minPublished; unit definition unspecified |
High hydraulic flow
Source-supported
| Observation and evidence | Value |
|---|---|
High Flow XPS / Maximum Loader Hydraulic Flow Printed High Flow XPS circuit. Unqualified gallons retain the original published basis. Published: 121 L/min / 32 gal/min | 32 gpm / 121 L/minPublished; unit definition unspecified |
Hydraulic pressure
Source-supported · Distinct printed configurations or rating bases are retained.
| Observation and evidence | Value |
|---|---|
Standard / Loader Hydraulic Pressure Printed Standard circuit. Published: 23 000 kPa / 3,336 psi | 3,336 psi / 23,000 kPaPublished |
High Flow XPS / Maximum Loader Hydraulic Pressure Printed High Flow XPS circuit. Published: 28 000 kPa / 4,061 psi | 4,061 psi / 28,000 kPaPublished |
Configuration and source notes
- Manufacturer edition AEHQ8269-04. Production years and serial range are unknown.
- All dimensions are approximate. Dimensions are from the 279D3 table on page 17.
Source footnotes
Unless the row specifies otherwise, dimensions, operating specifications and weight include full fluids, a 75 kg (165 lb) operator and a manual quick coupler. Optional counterweights are excluded. Equipment includes two-speed drive, open ROPS, mechanical suspension seat, standard hydraulic flow, a 2,036 mm (80 in) low-profile bucket and 450 mm (17.7 in) tracks. The front idler has two flanges and the rear has one.
Applies to operating weight, machine width, height, length with bucket, length without bucket / attachment, rated operating capacity (3 rows), tipping load.
Flywheel net rating includes the fan, alternator, intake air cleaner and exhaust muffler/aftertreatment (page 10).
Applies to engine power (2 rows).
Manufacturer sources
- Caterpillar: Specalog: 239D3/249D3/259D3/279D3/289D3/299D3/299D3 XE Compact Track Loaders
AEHQ8269-04 (08-2022) · Inspected .
Inspected PDF pp. 10-12 specifications, p. 16 259D3/289D3 dimensions and configuration footnote, p. 18 299D3/299D3 XE dimensions and footnote, and p. 24 printed regional coverage. Relevant tables and drawings were rendered and visually inspected.
Page 18 width is explicitly labelled 299D3 XE only; it is not assigned to 299D3.
Record reviewed by Codex and Claude (AI-assisted review; no independent human review). Transcription by Codex. 2026-11-08: second comparison of every figure by Claude: the manufacturer PDFs re-downloaded, every value string checked on its cited page and row by script, and every cited table cell read again from the rendered page by separate readers who did not see the transcription; the New Holland viewer pages read by eye. No independent human review.