Cat 745 vs Volvo A40G

The Cat 745 is the heavier machine, at 33.1 t against 30.7 t, and the Cat 745 has more power (370 kW against 347 kW).

The Cat 745 is ahead on: more power, more torque, dumps higher, bigger bucket or body, bigger fuel tank. The Volvo A40G is ahead on: faster, narrower to transport, lower to transport.

Below, every figure both makers publish sits side by side, with the Cat 745 and the Volvo A40G drawn to the same scale from their dimension drawings.

Cat · articulated dump truck
Cat 745
Change modelFull specs PDF
Volvo · articulated dump truck
Volvo A40G
Change modelFull specs PDF
Add a modelUp to four

At a glance

Bold is the machine ahead on each figure, with its lead.

Figure	Cat 745	Volvo A40G
Operating weight	33,110 kg	30,700 kg
Gross powerHigher is better	381 kW+9%	350 kW
Max torqueHigher is better	2,618 Nm+4%	2,525 Nm
Dump height (body raised)Higher is better	7.288 m	7.265 m
Body capacity (SAE 2:1 heaped)Higher is better	25.5 m³+6%	24 m³
Fuel tankHigher is better	550 L+15%	480 L
Top speedHigher is better	54.8 km/h	57 km/h+4%
Overall widthLower is better	3.801 m	3.43 m+10%
Overall height (cab)Lower is better	3.762 m	3.599 m+4%
Overall length	11.432 m	11.263 m

All specifications

Every figure the makers publish. Search for one, or show only those that differ.

Differences only(90)

FigureCat 745 Volvo A40G

Dimensions

Overall length11.432 m11.263 m

Overall length with tailgate11.559 mNot published

Overall width3.801 m3.43 mOver body (rear view)

Overall height (cab)3.762 m3.599 m

Loading height3.261 m3.132 m

Dump height (body raised)7.288 m7.265 m

Ground clearance0.59 m0.553 mFront view, unloaded with 29.5R25

Ground clearance, body fully tipped0.779 mNot published

Front axle to machine front3.418 m3.1 m

Front axle to mid axle4.59 m4.518 m

Tandem axle spacing1.966 m1.94 m

Rear axle to body rear1.458 m1.706 m

Body length6.402 m5.844 m

Body length, inside5.929 mNot published

Width over tailgate3.774 mNot published

Body width3.422 mNot published

Track width2.687 m2.636 m

Width over fenders3.37 mNot published

Max laden width over tyre bulge3.5 mNot published

Front axle to hitchNot published1.277 m

Width over tyresNot published3.403 m29.5R25

Weight

Operating weight33,110 kgTotal, empty30,700 kg

Payload (nominal)41 tRated payload39,000 kg

Gross machine weight (loaded)74,110 kgTotal, loaded69,700 kg

Front axle load, empty19,180 kgNot published

Centre axle load, empty7,100 kgNot published

Rear axle load, empty6,830 kgNot published

Front axle load, loaded25,060 kgNot published

Centre axle load, loaded24,660 kgNot published

Rear axle load, loaded24,390 kgNot published

Operating weight, front axleNot published16,100 kgUnloaded

Operating weight, rear axlesNot published14,600 kgUnloaded

Body

Body capacity (SAE 2:1 heaped)25.5 m³24 m³Standard body

Body capacity (struck)19.9 m³18.4 m³Standard body

Body capacity with tailgate (SAE 2:1 heaped)27.3 m³Not published

Body capacity with tailgate (struck)20.9 m³Not published

Body plateHigh strength Brinell HB450 wear resistant steelNot published

Body plate thickness, front7 mmNot published

Body plate thickness, chute14 mmNot published

Body plate thickness, sides11 mmNot published

Body plate thickness, base14 mmNot published

Body raise time12 s manual, 13 s automatic12 s

Body lower time10 s10 s

Body capacity (SAE 2:1 heaped), overhung tailgateNot published24.7 m³

Tipping angleNot published70°

Body materialNot publishedHB450 steel; plates 8 mm front, 11 mm sides, 14 mm bottom, 16 mm chute

Engine

Engine modelCat C18Volvo D13J

EmissionsBrazil MAR-1 (equivalent to U.S. EPA Tier 3 / EU Stage IIIA) or non-certified (equivalent to Tier 2 / Stage II)Two engine optionsEU Stage V

Gross power381 kW (511 hp)SAE J1995, at 1,700 rpm350 kW (476 hp)SAE J1995, at 1,900 rpm

Net power370 kW (496 hp)SAE J1349347 kW (472 hp)ISO 9249 / SAE J1349, at 1,900 rpm

Engine power376 kW (504 hp)ISO 14396Not published

Max torque2,618 NmGross, SAE J1995:2014, at 1,200 rpm2,525 NmGross, SAE J1995

Max torque (net)2,558 NmSAE J1349:2011, at 1,200 rpm2,500 NmISO 9249 / SAE J1349, at 1,050 rpm

Displacement18.1 L12.8 L

Bore x stroke145 mm x 183 mmNot published

No engine derating below3,050 mAltitudeNot published

CylindersNot published6In-line, V-ACT, VGT turbo

Transmission

TransmissionCat CX38 auto shift, 9F/2RVolvo PowerTronic PT 2529, fully automatic planetary, 9F/3R, torque converter 2.1:1 with lock-up

Top speed54.8 km/hForward 957 km/h9th gear forward

Reverse speed14.6 km/hReverse 218 km/h

DropboxNot publishedVolvo IL2 ATC, 100% longitudinal dog-clutch diff lock

AxlesNot publishedVolvo ARB H40, planetary hub reductions, 100% dog-clutch diff locks; 6x4 / 6x6 automatic

Steering

Steering angle45°Left/right from centre45°±45°, 3.4 steering-wheel turns lock to lock

SAE turning radius8.625 mNot published

Clearance radius9.082 mNot published

Inside radius4.413 m4.327 m

Aisle width5.917 mNot published

Lock to lock time4.8 s at 60 rpmNot published

Tyres

TyresSix 29.5 R25Turning dimensions are for 29.5 R2529.5R25 (option 875/65R25)

Service capacities

Fuel tank550 L480 L

Cooling system90 L44 L

Brake cooling tank67 LNot published

Hydraulic system, with tank140 LSteering/hoist hydraulic systemNot published

Engine oil, with filter52 LEngine crankcase51 LCrankcase

Transmission/output transfer gear75 LNot published

Final drives (each)5 LNot published

Axles (each)60 LNot published

DEF / AdBlue tankNot published39 L

Brake cooling systemNot published188 L

Hydraulic tankNot published174 L

Service intervals

Engine oil and filter500 hours1,000 hours

Fuel filters500 hoursprimary and secondaryNot published

Transmission oil filter500 hoursNot published

Transmission oil1,000 hoursincludes the output transfer gearNot published

Differential and final drive oil2,000 hoursfront, centre and rear axlesNot published

Brake system oil2,000 hoursNot published

Hydraulic oil4,000 hoursNot published

Coolant12,000 hoursNot published

GreasingNot published250 hours

Performance

Turning radius (outer)Not published8.957 m

Approach angleNot published24°

Hydraulics

Max pressureNot published26 MPaSystem max working pressure

Sources: Cat 745 Articulated Truck Technical Specifications AEXQ3088-03 (06-2025), Afr-ME / Aus-NZ / Eurasia / S Am / Pacific Islands · Volvo A35G/A40G Stage V brochure 20057406-D (2021)

Drawn to scale

Side views measured off each maker's dimension drawing, front edges and ground lined up.

Cat 745Volvo A40GSame scale, front edges and ground lined up.

Cat 745 vs Volvo A40G: questions

Which is bigger, the Cat 745 or Volvo A40G?

By operating weight the Cat 745 is the biggest at 33.1 t, then the Volvo A40G at 30.7 t.

Which has more power, the Cat 745 or Volvo A40G?

The Cat 745: Cat 745 381 kW (511 hp), Volvo A40G 350 kW (476 hp) (gross power), a 9% difference.

Which has the bigger bucket, the Cat 745 or Volvo A40G?

The Cat 745: Cat 745 25.5 m³, Volvo A40G 24 m³ (body capacity (sae 2:1 heaped)), a 6% difference.

Which has the bigger fuel tank, the Cat 745 or Volvo A40G?

The Cat 745: Cat 745 550 L, Volvo A40G 480 L (fuel tank), a 15% difference.

Which is narrower to transport, the Cat 745 or Volvo A40G?

The Volvo A40G: Cat 745 3.801 m, Volvo A40G 3.43 m (overall width), a 10% 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.