Cat D11 XE vs Cat D8
The Cat D11 XE is the heavier machine, at 108.3 t against 39 t, and the Cat D11 XE has more power (742 kW against 271 kW).
The Cat D11 XE is ahead on: more power, more hydraulic flow, bigger fuel tank.
Below, every figure both makers publish sits side by side, with the Cat D11 XE and the Cat D8 drawn to the same scale from their dimension drawings.
At a glance
Bold is the machine ahead on each figure, with its lead.
| Figure | Cat D11 XE | Cat D8 |
|---|---|---|
| Operating weight | 108,314 kg | 39,000 kg |
| Net powerHigher is better | 742 kW+174% | 271 kW |
| Pump flowHigher is better | 670 L/min+159% | 259 L/min |
| Fuel tankHigher is better | 1,763 L+183% | 624 L |
All specifications
Every figure the makers publish. Search for one, or show only those that differ.
Dimensions
Overall length (base machine)6.16 mBasic tractor, also with drawbar4.76 mLength of basic tractor
Overall length (with blade)8.579 mWith SU blade7.91 m
Overall length (with U blade)8.641 mNot published
Overall length (with single-shank ripper)8.107 mNot published
Overall length (with multi-shank ripper)8.427 mNot published
Height (to top of cab)4.405 mFOPS cab; includes grouser height3.53 m
Height (to top of stack)4.549 mIncludes grouser heightNot published
Height (to top of canopy)4.723 mROPS/canopy; includes grouser heightNot published
Width over trunnions4.379 mNot published
Width without trunnions3.782 mStandard shoeNot published
Track gauge2.896 m2.08 mStandard; LGP 2.34 m
Track length on ground4.444 m3.21 m
Shoe width0.71 mStandard; Carrydozer shoe 915 mm0.61 mStandard; LGP 965 mm
Ground clearance0.798 m0.622 m
Drawbar height (centre of clevis)0.942 mNot published
Grouser height0.101 m0.084 mExtreme service
Track pitch0.318 mNot published
Height (to top of guardrail)Not published3.39 m
Width over tracksNot published2.79 m
Blade widthNot published4.038 mSU blade, across end bits; U 4263 mm
Blade heightNot published1.747 mSU blade
SU blade (add to basic tractor)Not published1.417 m
Single-shank ripper (add to basic tractor)Not published1.725 mTip at ground line, shank pin in middle hole
Drawbar (add to basic tractor)Not published0.295 m
Weight
Operating weight108,314 kg39,000 kg
Operating weight (Carrydozer)117,007 kgNot published
Operating weight (LGP)Not published37,585 kgWith drawbar
Shipping weightNot published34,030 kg10% fuel, with ripper
Blade weight (SU, with push arms)Not published4,539 kg
Engine
Engine modelCat C32BCat C15
EmissionsU.S. EPA Tier 4 Final / EU Stage V (Tier 2-equivalent rating also offered)Brazil MAR-1 / UN ECE R96 Stage IIIA (equivalent to U.S. EPA Tier 3 / EU Stage IIIA)
Displacement32.1 L15.2 L
Net power742 kW (861 hp)271 kW (363 hp)At 2,050 rpm, ISO 9249 / SAE J1349
Net power (reverse)713 kW (956 hp)Not published
Fuel tank1,763 LUsable volume624 L
Gross powerNot published296 kW (397 hp)
Transmission
TransmissionElectric drive (generator and two electric motors); 3 forward / 3 reverse speed rangesPowershift, 3 forward / 3 reverse (half-step ranges)
Travel speed, forward 14 km/hNot published
Travel speed, forward 27.1 km/hNot published
Travel speed, forward 3 (max)11.3 km/hNot published
Travel speed, reverse 14.9 km/hNot published
Travel speed, reverse 28.7 km/hNot published
Travel speed, reverse 3 (max)11.3 km/hNot published
Travel speed, forward (max)Not published10.3 km/h3.0 forward
Travel speed, reverse (max)Not published10.3 km/h3.0 reverse
Blades
SU blade capacity27.2 m³Semi-universalNot published
SU blade width5.584 mNot published
U blade capacity34.4 m³Not published
U blade width6.34 mNot published
Reclamation universal blade capacity42 m³SAE J1265Not published
Reclamation universal blade width6.395 mNot published
Carrydozer blade capacity43.6 m³SAE J1265Not published
Carrydozer blade width6.704 mNot published
Ripper
Single-shank ripper max penetration depth1.612 mNot published
Single-shank ripper max penetration force303 kNNot published
Single-shank ripper pryout force654 kNNot published
Deep-ripping single-shank max penetration depth2.172 mNot published
Deep-ripping single-shank max penetration force304 kNNot published
Deep-ripping single-shank pryout force651 kNNot published
Multi-shank ripper beam width3.33 mAdjustable parallelogramNot published
Multi-shank ripper max penetration depth1.1 mNot published
Multi-shank ripper max penetration force307 kNNot published
Multi-shank ripper pryout force644 kNWith one toothNot published
Ripper maximum penetrationNot published1.13 mSingle shank
Ripper maximum penetration forceNot published127 kNSingle shank
Ripper weight (single shank)Not published4,070 kg
Hydraulics
Pump flow670 L/min259 L/minImplement pump, 1,850 rpm
Max pressureNot published240 bar
Undercarriage
Ground contact area6.3 m² (8.1 m² with 915 mm Carrydozer shoes)Not published
Shoes per side41Not published
Track rollers per side8Not published
Carrier rollers1 per side (optional)Not published
UndercarriageNot publishedElevated sprocket, 44 sections, 8 bottom rollers
Service capacities
Cooling system192 L72 L
Engine oil, with filter133 L43 LEngine crankcase
Power train494 L208 L
Power train, refill volume415 LNot published
Final drive (each)40 LNot published
Roller frames, each94 LNot published
Hydraulic tank160 L69 L
Hydraulic system, with tank245 LTank and chassisNot published
Hydraulic system with blade and ripper445 LStandardNot published
Hydraulic system with blade and ripper (Carrydozer)540 LNot published
Final drives (each)Not published12.5 L
Performance
Blade capacityNot published10.3 m³SU blade, ISO 9246; U 11.8 m³, angle 6.1 m³
Blade lift heightNot published1.246 m
Digging depthNot published0.576 m
Maximum tilt at blade cornerNot published0.573 m
Ground pressureNot published88.5 kPaISO 16754
Maximum drawbar pullNot published642 kN1.0 forward
Service intervals
Engine oil and filterNot published500 hours
Power train oilNot published1,000 hours
Hydraulic oilNot published6,000 hours
CoolantNot published12,000 hours
Sources: Cat D11 XE technical specifications (Cat's own spec data as published on the NMC Cat dealer product page, 2026) · Cat D8 Track-Type Tractor Technical Specifications AEXQ3722 (05-2024), build 22A (AME excl. Saudi Arabia, ANZ, China, S Am)
Drawn to scale
Side views measured off each maker's dimension drawing, front edges and ground lined up.
Cat D11 XE vs Cat D8: questions
Which is bigger, the Cat D11 XE or Cat D8?
By operating weight the Cat D11 XE is the biggest at 108.3 t, then the Cat D8 at 39 t.
Which has more power, the Cat D11 XE or Cat D8?
The Cat D11 XE: Cat D11 XE 742 kW (861 hp), Cat D8 271 kW (363 hp) (net power), a 174% difference.
Which has the bigger fuel tank, the Cat D11 XE or Cat D8?
The Cat D11 XE: Cat D11 XE 1,763 L, Cat D8 624 L (fuel tank), a 183% difference.
Where do these figures come from?
Each model's own published spec sheet or brochure, linked under the table. Builds differ by market and year, so confirm the figures for a particular machine with its dealer.
Can I rent or buy these machines in the UAE?
Each model's page lists the ones for hire and for sale on EquipmentsFinder now, with typical prices in AED.
